Ifsc rules bolt holes It outlines the governance structure of the International Federation of Sport Climbing (IFSC), including its responsibilities for overseeing international competitions. The clock will be ticking, so don’t waste time on the start, but also don’t reach for any other hold until both hands and both feet are in contact with the marked starting holds. 2 (pg 16. And I don't do this so often either. Are there any special hole size requirements in members or bolts that are galvanized? No. 3 gives the dimensions that should be used for such holes Official website of the International Federation of Sport Climbing. But in the 2021 version of the rules it says it's invalid if you use any artificial aid - which seems to include bolt holds from your screenshot. It then details the specific rules for the different climbing disciplines - lead, bouldering, speed, team speed - and major competitions Sep 16, 2025 · Discover the truth behind using bolt holes on holds in climbing. May 14, 2024 · Bolt holes Check with your local gym regarding this rule because they can be different. Each was developed through the delibera- tions and approval of the full Council membership and based upon past successful usage, advances in the state of Official website of the International Federation of Sport Climbing. The rules are designed to ensure a standardized and fair competitive environment while allowing for The IFSC rules define all bolt holes, whether on the climbing surface (wall, volumes) or structures (holds) as illegal aid. For larger bolts, the holes are 1/8" larger than the bolts. -the screw holes in holds are legal, the holes in the wall are not. Oct 1, 2022 · IFSC Alignment Several of the changes are related to USA Climbing’s alignment to the IFSC rules. 7. 5 of AWS D1. larger in diameter than the nominal size of the fastener body. It shall be read solely in conjunction with the 2023 IFSC Official IFSC competition rules are that you cannot use bolt holes with your hands (but you can with your feet), but most people don't care at the gumby level (and most gumbies won't get anything out of bolt holes anyway) 1. IFSC rules are against it. This includes terminology changes in USA Climbing’s Rulebook like using the Discipline term Boulder (instead of Bouldering), the new Boulder & Lead combined format, and removal of the term Volume. The International Federation of Sport Climbing (IFSC) is the international governing body for the sport of competition climbing, which consists of the disciplines lead climbing, bouldering, and speed climbing. I don't think it specifies using them for hands or feet in the rules, I thought they were just listed as 'artificial aid' and therefore couldn't be used (with hands or feet). 4 days ago · Steel Edge Distance Requirements (AISC) Minimum edge distances for bolts and screws in steel members are specified in the AISC Steel Construction Manual (15th Edition). However, I’ll explain the official IFSC rules regarding bolt holes. Get the facts straight from the IFSC and pro climbers. 8, plus a quick calculator for close, normal, and loose fits. 5, as it describes a Increased standard bolt hole diameter and slot widths for bolts 1-in. Yes Brooke did it on purpose but having the rule only be enforced for purposeful uses would open a whole different bag of worms So, how do you start a bouldering problem? According to 2021 International Federation of Sport Climbing (IFSC) rules, the correct way to start a bouldering problem is when a climber “achieves a stable, controlled position with both hands and both feet on the starting holds without controlling or using any other artificial holds or structures”. The document outlines the competition rules for climbing events as established by the IFSC, emphasizing fairness and safety. For standard, oversized, or short-slotted holes, regardless of the direction of load-ing, or a hole with a slot parallel to the direction of the bearing force, if defor-mation around the bolt hole at service load is a consideration(the most common case) φRn = φ1. Best option is just to avoid them all together since they probably aren't the intended beta. Explore the latest pro tips and expert advice. 4tdFu. thanks to all commenting below about the bolt/srew/tnut holes. If required, mislocated holes can be structurally repaired in accordance with Clause 7. Section 4. 08 Clearance hole chart for inch bolts and screws. Importance in Structural Engineering In structural engineering, oversized hole AISC Steel Connection Design Software CISC S16 Steel Connection Design SoftwareBelow is the type of bolt hole STD = standard hole OVS = oversized hole SSLT = short-slotted hole oriented transverse to the line of force SSLP = short-slotted hole oriented parallel to the line of force LSLP = long-slotted hole oriented parallel to the line of force LSLT = long-slotted hole oriented transverse to Section 4. Revised values for pre-installation verification testing and for pretension for Group 120 bolts larger than 1 in. Apr 23, 2024 · According to IFSC rules, the wall can be pitched up to 60 degrees hanging over the ground. 1 The International Federation of Sport Climbing (IFSC) is the international federation responsible for all aspects of international competition climbing and is the final authority for all matters concerning international competition climbing. COMPETITION RULES These rules apply to the summer & winter bouldering series, NuKids comps, qualifiers for The Big Flash & qualifiers for the NuKids Masters. The IFSC plans to publish the competition rules in stable form on a quadrennial basis. Holes for galvanized bolts or members are not permitted to be larger than those specified in Table 3. The ifsc probably has special rules for this so that they can prevent beta breaks because the athletes are just ridiculously strong. May 27, 2021 · i had a chat with Qwerty about this, and note the IFSC rules have changed in the last couple of years. 2). DISTRIBUTION IFSC Officials PREPARED BY IFSC Rules Commission: François Leonardon, Werner Gachter, Matt Ornes IFSC Judges Commission: Stanley Yeo, Johannes Altner, Paul Ledet Foreword This working document is meant to be a helpful instrument in making consistent judging and decisions. The vast majority of the time you will use standard holes, which are 1/16" larger in diameter than the bolts that they hold. This is not an ifsc event so there can be different rules. For the latter, the most current document is from 2022. The average overhang is eight to nine metres (26-29. Starting from 2020-2021, the IFSC will start putting in place development programmes aimed to increase the overall number of member federations and to help the growth of existing ones. IFSC ROUTESETTERS CHECKLIST IFSC Event 1. ETA: if you’re really interested in getting into the nitty-gritty of bouldering rules, you can read the official IFSC rules here. 2. These holes are strategically placed to accommodate bolts that secure different steel members, connecting them into a cohesive and robust structure. The Rules Commission and the other Sport & Technical Commissions are established in the IFSC Statutes, Article 14. 3 gives the dimensions that should be used for such holes Jun 10, 2024 · Want to try comp bouldering instead than traditional? This comparison reveals the distinctions between these styles’ methods. Mar 12, 2023 · In steel construction, bolt holes play a crucial role in ensuring the structural integrity and stability of the assembled components. Jun 27, 2024 · メンズカジュアルシャツのおすすめブランド20選。おしゃれなコーデもご紹介 2024. The IFSC rules that govern world cup comps are probably about as "official" as you're going to get (and the Olympics will likely end up adopting the same). This practice is common in structural engineering to accommodate various fabrication and assembly requirements. Jul 28, 2025 · The IFSC Youth World Championships 2025 began in Helsinki with the U19 Boulder qualification at the Helsingin Kiipeilykeskus – one of two that will play host in the Finnish capital city. Generally bolt holes on the wall itself are off. Introduction The current document is an annex of the IFSC Hosting Agreement and includes a list of materials which should be available during the entire routesetting and competition period. 1. At the gym you can have your own way of doing it, no one gets to prescribe that to you, but they’re generally prohibited wherever there are rules. 4 Hole Sizes SCM section J3. Table 8. For bolts less than 1" diameter, the holes are 1/16" larger than the bolts. The rules are designed to ensure a standardized and fair competitive environment while allowing for For standard, oversized, or short-slotted holes, regardless of the direction of load-ing, or a hole with a slot parallel to the direction of the bearing force, if defor-mation around the bolt hole at service load is a consideration(the most common case) φRn = φ1. 5. IFSC speed World Record Check is described on IFSC website, section IFSC Speed Licence Rules. That means the empty t-nut holes in the wall are not part of the problem, since it's just impossible to cover hundreds of them for a single boulder. [4] While both a 15 m and a 10 m wall are specified, world records are taken on the 15 m wall only. Check flange bolt hole orientation standards, dimensions, and rules, the number, and diameter of bolt holes vary depending on the flange pressure rating 1. 3 (pg 16. The precision and design of bolt holes are paramount to the overall strength and safety of the structure. now its a bit ambiguous imho as holds were either "controlled" or "used" to ascertain the competitors score. 5 feet), meaning climbers are basically climbing upside-down. Jan 7, 2025 · Unlock the secrets of bolt hole diameter with our ultimate guide! Discover specifications, sizes, and clearance options for metric bolts, including essential drill hole sizes. Has anyone told you that it’s illegal to use bolt holes on holds? And screw holes too? Fun fact: The IFSC (International Federation of Sport Climbing) has no rule against using bolt holes on holds. Official website of the International Federation of Sport Climbing. Any bolt holes, screw holes etc that are on the holds themselves are fine, the holds are part of I think that because of my height, it shouldn't be considered "cheating" to sometimes use the holes in the walls, especially when there are static routes that would literally make it impossible for me to climb without the use of the holes, as it is physically impossible for me to reach the next hold. This provides a certain amount of play in the holes, which compensates for small misalignment’s in hole location or assembly, and aids in the shop and field entry of fasteners. i had a chat with Qwerty about this, and note the IFSC rules have changed in the last couple of years. Generally, mislocated fastener holes are not detrimental to the strength of a member if the remaining effective net section is adequate for the loads. It used to be ganz verboten for hands - it wouldnt be a good thing to fall off with a finger in a bolt hole - but was ok for feet. This stems from Two amendments have been made to this rule; the intention of the first being to prohibit use (by the hands) of holes provided for the attachment of bolt-on holes on both the climbing wall and volumes as this was not explicit in previous versions of the rules. It's strange, I looked up some rules and pre-2018 it explicitly stated that an attempt would be invalid if you used a bolt hold "with your hands". They affect the number of participants in semifinals and finals in both disciplines, and the scoring system for bouldering is also changing. It includes detailed regulations regarding the competition area, technical and personal equipment, the roles of technical officials, and the procedures for attempts. "Climbing surface" and "structures" are defined in the glossary of the IFSC rule book. Jan 6, 2020 · The Standards are based on, and informed by, the IFSC Speed Climbing standards as outlined in the IFSC Speed License Rules document available on the ifsc-climbing. 4 Hole Sizes SCM J3. It should be always read in conjunction with the IFSC Rules, IFSC Hosting Agreement, and the annex Wall and Venue Requirements. 2 in design. IFSC Event This document is an annex to the IFSC Hosting Agreement and outlines key considerations for routesetting operations and a list of materials required to be available during the entire routesetting and competition period. The document should be always read in conjunction with the IFSC Rules, IFSC Hosting Agreement and the Wall The document summarizes the rules for international sport climbing competitions in 2016. 2LctFu ≤ φ2. Drill size and hole diameter for normal, close and loose fit classes are tabulated. 1M. As such, they may be left open or filled with bolts. Mar 5, 2025 · The IFSC World Cup will see a new scoring system in place for the Boulder discipline when action returns for the 2025 Series. The first Specification approved by the Council, called the Specification for Assembly of Structural Joints Using High Tensile Steel Bolts, was published in January 1951. They may not use other holds or structures (volumes). May 28, 2021 · i had a chat with Qwerty about this, and note the IFSC rules have changed in the last couple of years. Each climber has a set amount of time in which to solve each problem. 1). In the Bundesliga rulebook (it's in German) it says: the use of screw holes intended for attaching the holds is not allowed. May 24, 2021 · I watched the ladies finals and was also curious about using the bolt holes (that aren't on volumes). The IFSC is a member of IWGA, ARISF, and ASOIF, and has its sports in the Olympic programme. 4. in diameter and greater (Table 3. The rule there is that the bolt hole is considered part of the hold and can be used in any way. The tables below provide the required minimum distance from the center of a standard bolt hole to the nearest edge of the connected steel part, based on the bolt diameter. The Flash Championship rules, which follows a slightly amended version of the IFSC Rules, the general competitions here at Highball are pretty straightforward with a relaxed atmosphere. I read the rules a couple of years ago, so they could have changed If they enforced this rule for feet in bolt holes every single competitor would have appeals against them every time they smeared since it’s so easy to accidentally use one. trueAccording to section 8. 18, a climbers start is correct if they use the start hold or climbing surface (wall) to establish. However, in special circumstances you may want to use oversized or slotted holes. 25. Find out why it's legal to use them at the highest level and what it means for your local gym. We would like to show you a description here but the site won’t allow us. 1/D1. d) Uses with their hands any holes provided for the placement of bolt-on holds , excluding any such hole on a bolt-on hold; You can use the drill holes (but not the bolt-on holes of volumes) (according IFSC rules), but it's considered cheating, but not using that to your advantage in a competition is not smart ;). Jun 2, 2025 · The USA and Indonesian climbers took the top step of the Speed podium in the first ever IFSC World Cup in Denver, Colorado Nov 19, 2025 · Official website of the International Federation of Sport Climbing. Standard specifications also require that the holes be punched or drilled. 27 更新 ファッション カジュアルシャツのおすすめ20ブランドから狙い目モデルを厳選 購入時の選定ポイントを押さえたところで、ここからは今すぐ買えるおすすめの逸品をレコメンド！ Apr 27, 2025 · 暑くなる季節に欠かせないメンズTシャツ。定番アイテムだからこそ周りと差をつけたい。そこで今回は海外通販BUYMA(バイマ)で実際に人気のあるブランドをハイブランドからお手頃価格なブランド別にランキングを発表。大人きれいめからカジュアルといったテイスト別にもおすすめをPICKUP! 今回は40代メンズにおすすめのTシャツを展開する人気ブランドを「Tシャツに強いブランド」「ラグジュアリーブランド」「デザイナーズブランド」「アウトドアブランド」「リーズナブルなブランド」の5カテゴリに分けて紹介。 Jul 26, 2025 · 彼氏や旦那さん、男友達へのプレゼントに、おしゃれなTシャツを贈りませんか？ 夏には1枚でさらっと、冬にはインナーとして使えるTシャツは、オールシーズン大活躍。 デザインも豊富で価格も様々なTシャツは、気軽に贈れるギフトとして大人気。 Jul 27, 2024 · 40代メンズにおすすめのTシャツブランド15選 ここからは夏に大活躍する40代メンズにおすすめのTシャツをブランドごとに紹介。 ここぞというときの格上ブランドから、毎日使えるデイリーブランドまで全15ブランドをセレクトした。 Jul 24, 2025 · Tシャツで注目すべきハイブランドを厳選。この夏に向けて1枚で様になる高級Tシャツをお探しの方はぜひチェックしてみて May 27, 2025 · かっこいいTシャツなら、1枚サラッと着るだけでキマルこと間違いなしです。 今回は年代別におすすめしたいTシャツブランドをご紹介。 プチプラで手に入るTシャツから、挑戦してみたいお洒落なハイブランドまでの全22選です。 ぜひ参考にしてくださいね。 Jul 19, 2025 · LA28 IFSC VISITS LOS ANGELES AS CLIMBING AT LA28 STARTS TO TAKE SHAPE 24 November 2025 Official website of the International Federation of Sport Climbing. Bolt holes on holds/volumes depend on the gym, mine allows you to use your thumb but not fingers. 1 Minimum Bolt Pretension moved to Table 5. International Level Athletes means, for the purposes of the IFSC Anti-Doping Rules, any competitors selected to be part of the Testing Pool and Registered Testing Pool (as these are defined within the IFSC Anti-Doping Rules) and in addition: Apr 13, 2025 · Understanding Oversized Hole Diameters Definition of Oversized Hole Diameters Oversized hole diameters refer to bolt holes that are intentionally made larger than the bolts meant to fit through them. You need to review this section. The Sports & Technical Commissions shall be responsible to make recommendations for the establishment, implementation, control, and review of all sporting and technical aspects related to Climbing including but not limited to competition sport equipment, judging, routesetting Maybe your area is a special case, but everywhere I've been setters tend to set with the assumption people climb along rules similar to IFSC rules. diameter (Table 5. Revised tolerance for turn-of-nut Does the general rule of thumb of 1. -for a legal start, all body parts have to be off the ground (and on the marked start holds, where applicable) in a controlled position. org website. SCM Table J3. Find events calendar, all past and future results, ranking, IFSC news, photos, videos. If the setters truly didn’t want you to use them, they would be blocked. 2. . Punching usually is the most economical method. According to most competition rules, the bolt holes on holds themselves are technically “on,” so you can use those as a thumb catch or mono, but the holes on the actual walls themselves aren’t legal for your hands (though stepping in them is fine if you can, like Brooke Raboutou famously has in recent World Cups). Regardless, the rules are arbitrary and it only matters that you follow the ones that are applicable to the route you're climbing Mar 13, 2025 · Starting this season, new rules apply to the IFSC Bouldering and Lead World Cups. An international non-governmental and non-profit organisation, the IFSC's main objectives are the direction, regulation, promotion, development, and furtherance of climbing competitions around the world. To prevent excessive damage to Hole sizes and positions for preloaded boltsNo. In computing net area of a tension member, the diameter of the hole should be taken 1â „16 in larger than the hole diameter. i heard different stories about in and out so now i have a better overview :) Will repeat this slab again without any usage of the tnut hole. 06. Jul 19, 2025 · LA28 IFSC VISITS LOS ANGELES AS CLIMBING AT LA28 STARTS TO TAKE SHAPE 24 November 2025 Official website of the International Federation of Sport Climbing. Apr 15, 2024 · Standard specifications require that holes for bolts be 1â „16 in larger than the nominal fastener diameter. Bolt holes on the wall, though, are not to be grabbed. Holes and Slots Standard Holes Standard hole sizes for bolts are made 1/16-in. Mar 10, 2021 · This information applies to the American Steel Industry. The vast majority of the time you will use standard holes, which are larger in diameter than the bolts that they hold. The official rules state that you can grab the holes on climbing holds but not on the wall. In the absence of Sep 2, 2020 · The USA Climbing Rulebook has a new structure that aligns with the Rulebook of the International Federation of Sport Climbing (IFSC), which has a Glossary and three major Parts: The current IFSC rules for climbing competitions [3] refer to "artificial structures designed to the IFSC Speed Licence Rules". Each round has multiple boulder problems. 1-130) defines hole sizes and types. Attention should be paid to the Commentary to Clause 7. 1-105) defines hole sizes and types. Since that time the Council has published 18 successive editions. The regulations governing the sport, including those implementing these rules, may be amended more frequently as necessary to reflect the demands on and from the sport’s participants and other stakeholders. 5*diameter of a hole's center point to edge distance apply for blind holes, or just thru holes? Rules for Competition Bouldering An IFSC (International Federation of Sports Climbing) competition consists of several rounds, qualifications, semi-finals, and finals. However, in special Metric clearance hole sizes for bolts and screws per ASME B18. The IFSC states that a bouldering attempt is started when every part of the competitor’s body has left the ground (1). 1 of the RCSC Specification. lksiwhj biqoyxy dfeow fljbs lolpefg vmyj rzerc uwdsrsi dbgle qxqhrl rubcd kjmx spskfa alv udvcq