Climbing bolt sizes Stainless Steel Wedge Bolt Specifications. Climbing Anchor Bolt, 25KN Climbing Bolt Hanger 316 Stainless Steel Heavy Duty Climbing Anchor Hangers for 10 mm / 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs, 8 Set 4. There are two main types of climbing bolts commonly used: Tests conducted in the conglomerate rock of the Allgau region of Southern Germany demonstrated that in addition to using a glue-in, the fixing required sufficient embedment depth to achieve EN 959 performance in axial testing. If you are using the standard bolt size, you will be using 3/8” diameter. Without better drill bits, more convenient cooling systems, and easy-to-use and precise pinpointing mechanisms, it’s very likely that even after successful extraction of the old bolt, the core-drilled hole is unusable. Work at Height. The bit size should match the bolt diameter, typically 10mm or 12mm. O. Climbing outside is very different to the controlled and managed indoor environment. What size bolts do climbing holds use? These holds attach to your climbing wall with a 3/8 inch bolt which screws into a Belay bolts should be 3/8” in diameter and at least 2. Modern bolts are either 1/2″ or 3/8″ thick in the US, or 12mm and 10mm in the EU. The hardware we choose is 2 inch bolts and 3/8th inch T Nuts. 99 $ 37 . ] Nominal Size or Basic Product Diameter Body Diameter Width Across Flats Width Across Corners Head Height Thread Length | Screws 6 Inches & Shorter Jan 24, 2024 · How Big Are The T Nuts For For Climbing Bolts? T-Nuts. com FREE DELIVERY possible on eligible purchases Screw-On vs. 99 Buy SYWAN Climbing Anchor Bolt 8 Set, Stainless Steel Bolt Hanger Climbing Hanger Bolts 25KN Heavy Duty Climbing Anchor Hangers for 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs: Climbing Holds - Amazon. As opposed to the discipline of aid climbing, clipping bolts in the sport climbing discipline was only a means to protect against falls. Consider the following tips: Wall surface preparation: Ensure your climbing wall is clean, free of dirt, and structurally sound before installing holds. American Safe Climbing association. The M3 and M4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Never install bolt hangers into t-nuts for anchor se The current standard bolt size is 3/8 to ½ inch in diameter. 8 out of 5 stars 5 Assuming you are going the bolt and nut route, know that not all t-nuts are made the same. 2. Jul 16, 2021 · Metric Bolt Thread Size: Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1. 6 to M 64) (fourth revision) ISO 4042:1999 @ 1367 (Part 11):2002 Technical supply conditions for threaded steel fasteners: Part 11 Nov 22, 2021 · As a general guide, 1. When sport climbing exploded in the 1980s, 3/8” bolts became popular. The main dimensions to consider when choosing a bolt are diameter, length, and thread pitch, each contributing to the bolt’s strength and compatibility. Dec 29, 2024 · Rock climbing bolts are the anchors that keep you secure as you ascend challenging routes. Nov 22, 2021 · What bolts to use for climbing holds? The ideal climbing bolt size is a 3/8-16 Allan head bolt into a 3/8-16 t-nut. Jun 28, 2023 · Some of the original bolts from the 80s and 90s were displacement bolts (). There are two main types of modern bolts used in climbing – expansion bolts, and glue-ins. Bolts for indoor climbing holds. Suggested thickness depends on the rock, the method of bolting, and how much money the bolter has available. Petzl USA. Jan 16, 2020 · Bolts – a climbers’ guide. Correct bolt selection is essential. Ice screws, multi-directional hangers, glues for climbing anchors, anchor plates: from the highest summits to the deepest caves, Petzl anchors are a guarantee of quality for outfitters and practitioners. Breaking strain: 36kN (10mm) 52kN (12mm). The bolts I used were 3/8"-16 T-Nuts 100pc by Bolt Dropper, Pronged Tee Nut. 525mm) or ½ inch (12. We recommend drilling a hole that 7/16th inch into the back of the plywood. 12mm. High-quality bolts, like these, will get you the longest life out of your t-nuts on your home climbing wall. Self-drilling bolts: a serrated sleeve “self-drills” a bolt hole whereby a spreader cone is inserted into the back of the hole, and a bolt is hammered in on top of the cone displacing the shaft into the rock. A blow tube or a bulb blower is used to clean out the drill hole, ensuring the adhesive bonds properly. Blow Tube. Stainless Steel Bolt hangers fit 3/8″ or 10 mm bolts Used in indoor and outdoor climbing FREE USA SHIPPING Used in indoor and outdoor climbing for anchors and hanging quick-draws. 99 delivery Feb 4 - 19 Bolt Diameter 10mm (6) 12mm Belay Station Type V in zinc plated steel for indoor use at climbing walls. M10 is standard on all climbing holds, M6 would be tiny. Sep 26, 2022 · What size hole should I drill as I see different suggestions. com Nov 29, 2022 · Climbing bolts come in a few forms, with the most common being a simple mechanical expansion bolt. Wedge bolts can be purchased in a variety of lengths but the embedment depth must be five times the bolt diameter in order to conform with European standards. PEAK Store 4. Box 3691 Boulder, CO 80307 contact@safeclimbing. Understanding the basics of these essential components is crucial for every climber. The diameter refers to the outer measurement of the bolt, and selecting the right size ensures the bolt can withstand the required load. 5 inch bolts are good for small holds, 2 inch bolts for medium holds, and 3 inch bolts for larger holds. Material: 1. 99 $6. Both wedge and sleeve bolts typically come in diameters of 3/8 inch to ½ inch in diameter Aug 30, 2021 · As with ¼” bolts, avoid trusting your life to a single one. P. Ensure the location is as flat as possible upon which the hanger will sit. Weight: 65g / 110g. Here’s a detailed overview to help you grasp the fundamentals: Types of Rock Climbing Bolts. [Download our printable standard bolt size chart pdf. Bolt length Bolts range from 1. 99 $ 26 . These two types of bolts are used for attaching bolt-on climbing holds to 3/8" T-Nuts with an allen wrench like the Metolius Multi Wrench. 13M. How was silence bolted? We would like to show you a description here but the site won’t allow us. Reading this guide will help you to evaluate and manage any risks for yourself, and allow you to experience the wonderful world of climbing outside more safely. They can be different shapes, and some shapes work better than others. Uses for Stainless Steel Wedge Bolts. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1. Use a higher bolt density at the start of the route and above ledges / ledges. Sourcing bolts for you is a simple way we c Bolts for climbing (May vary from picture) Stainless Steel Round Ring Ø 10 mm bolt needed; The internal diameter of the ring is an optimum 32mm, designed to save We would like to show you a description here but the site won’t allow us. Their robust design makes them suitable for a range of anchoring applications, from Odd Sizes Available: Route developers sometimes need special tools for the job; we offer odd-sized bits, perfect for accommodating longer shaft glue-ins. Bolts were not used to aid upward progress. Whether you’re a climbing enthusiast looking to set up new routes or a professional in the construction industry requiring heavy-duty anchoring solutions, you’ll find what you need in 304 Stainless Steel Climbing Anchor Bolt, 25-30KN Rock Climbing Bolt Hanger, M10 and M12 Climb Fastening Bolt Safe Fixed Point, 4 Set Rock Climbing Holds $26. E. Climbing Anchor Bolt, 25KN Climbing Bolt Hanger 304 Stainless Steel Heavy Duty Climbing Anchor Hangers for 10mm / 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs, Weight 2500KG, 8 Set $36. Use the correct size drill bit for the bolt. Sep 3, 2012 · With the development of bolt systems and decrease in relative costs, sport climbing areas are typically equipped using stainless steel bolts rather than plated bolts and hangers. Standard diameters in Europe are commonly 10mm or increasingly 12mm, and in North America 3/8 inch (9. They are also a great item for installing hanging training tools like the Power Balls. The ASCA is a 501(c)3 Nonprofit. Nominal screw sizes M5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Use bolts of at least 3/8” x 2 1/4” length in the best rock, with increasing size and length as rock quality decreases and anticipated climber use increases. Use carbide-tipped drill bits designed for rock. 25” long in solid granite. 5" to 4" (38mm to 100mm) long. Bolt Diameter In Australia we tend to use 3/8" diameter. Bolt length is determined by the thickness of the hold. 80mm leg length bolts failed below 10kN and 100mm deep glue-in bolts were marginal at achieving 15kN (failing at 13 to Different projects have different requirements, and that’s why our selection includes bolts of various sizes and configurations to suit a range of needs. It includes tips on assessing problems and what to be aware of. What size hex for climbing holds? Escape Climbing 7/32″ and 5/16″ Setters Wrench | Standard Size for Easy Install of Rock Climbing Holds | Ideal for Climbing and Bouldering. See Climbing Anchor Bolt 8 Set, Stainless Steel Bolt Hanger Climbing Hanger Bolts 25KN Heavy Duty Climbing Anchor Hangers for 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs Price, product page $35. With significant failures of expansion bolts in coastal limestone sport climbing regions (Thailand, Cayman Islands, Malta) a greater awareness of the benefits from May 31, 2023 · Amazon. There are two common types of displacement bolts used by climbers. 59 $ 35 . 3/8” bolts Photo: Thue Madsen. 99 Dec 8, 2023 · In sport climbing, climbers clip the rope into permanently installed bolts instead of wedging stoppers into constricting cracks or placing spring-loaded camming devices. The two most popular designs are wedge bolts and the Powers/Rawl (aka “5-piece”) bolts. Caving. then get an m10 cap head bolt and check Compatibility with 10mm & 12mm Wedge Bolts: Designed to fit perfectly with 10mm and 12mm wedge bolts, these hangers offer flexibility and ease of use, ensuring a secure fit every time. Even though a single modern climbing bolt can easily withstand up to 20 times the forces generated in a rappel or top roping session, redundancy is very important at anchors. For protection bolts on routes or at anchors (lower offs / bolt belays). Bolt-On Climbing Holds: What Is the Difference? Rock Climbing Wall Hardware | Rock Climbing Hold Hardware There's a huge variety of anchor bolts available for bolting concrete, masonry and rock. This helps to avoid ground falls or falls onto ledges. 99 $ 38 . Use bolts with appropriate corrosion resistance for the environment, almost always stainless steel (but titanium in seaside environments). Dec 1, 2022 · 30KN Climbing Bolt Hanger, Stainless Steel Climbing Anchor Bolt, Rock Climbing Anchor for 10 mm / 3/8" Bolt, for Climbing Rappelling Rescue Hammock Installation Visit the S. Climbing Hardware . Mar 14, 2025 · Standard Bolt Sizes (US) Our chart provides detailed specifications for standard US hex bolts, helping you select the right bolt size for your project. Tax ID #68-0419449 May 24, 2023 · Proper installation of climbing holds is crucial for safety and durability. Our Bolts: a climbers’ guide download covers what you need to know about the bolts and belays you may encounter when sport climbing outside. 1. Sizing: 10mm or 12mm. SDS Drill Bit Specification Drill Bit Diameters Climbing Anchor Bolt, 25KN Climbing Bolt Hanger 304 Stainless Steel Heavy Duty Climbing Anchor Hangers for 10mm / 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs, Weight 2500KG, 8 Set Price, product page $38. 5 inch)). 50PCS 3/8x2 inch Long Bolts for Wall Rock Climbing Holds Mounts, 3/8-16 Socket Head Allen Cap, Alloy Steel Durable & Easy Hanger Hardware Ice Screws, Gear Kit Bundle Supplies Designed for Indoor Use Jan 15, 2023 · Types Of Climbing Bolts. Wedge bolts have a long, threaded shaft with a nut on the end. Removable anchors, such as cams and stoppers, are used where natural and fixed protection are not available. To learn more about placing cams and stoppers, see our article, Lead Climbing: How to Place Trad Gear. org. Nov 30, 2024 · TFTICFH UIAA 35kN Climbing Bolt Hangers and Expansion Bolts Set, Heavy Duty Stainless Steel Climbing Wall Anchor for 10 mm / 3/8" Bolt, for Rock Climbing Hammock Gym Aerial Work Caving Rescue,5pc Brief content visible, double tap to read full content. On the one hand, more bolts are set over the entire climbing route in easier routes. Bolts should be used for all steep overhangs and roofs (rivets on steep ground are difficult/impossible to climb). But on some walls you may see M10. 59 Best Price Guaranteed Ideal for Commercial Climbing Gyms Black Oxide Finish - Indoor Use 3/8-16 Socket Head Cap Screws (SHCS) Options 3/8-16 Flat Head Cap Screws Options We import the highest quality climbing bolts by the semi load giving you the absolute best price possible. Robust, Load-Bearing Steel Tie-Off : Sports & Outdoors The ideal climbing bolt size is a 3/8-16 Allan head bolt into a 3/8-16 t-nut. - Made from cold-forged alloy steelIf you are This guide covers what you need to know about the bolts and belays you may encounter when sport climbing outside. Bolt-on holds: Most climbing holds are secured with bolts. Tax ID #68-0419449. Not having to place bolts on a horizontal plane allows the route developer much more freedom in bolt placement, especially critical in rock of variable quality. Alien Cams; Hangers; Anchors; Bolts; Carabiners/ Quickdraws; Glue-In Bolts; Bolting Kits; Fixe 304 Stainless 1/2 Bolt Hanger Dark Tan Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36. So which type to use for bolting rock climbs? Here discuss the featu Jun 16, 2017 · The reverse side of the holes were faced with hammer driven-in T-Nuts (Driftless Climbing Bolts for Rock Climbing Holds-Indoor 3/8-16 Socket Cap Screw (2. Versatile Uses: These bolt hangers are not just limited to climbing routes. Available in 2" x 3/8" socket head or 1. 7mm). The Bolt on Holds are meant to go in 3/4th inch thick plywood. The eye hole itself is large enough to accommodate two carabiners. steel fasteners, Section 1 Bolts, screws and studs (third revision) 1s0 4017:1999 IS 1364(Part 2):2002 Hexagon head bolts, screws and nuts of product grades A & B: Part 2 Hexagon head screws (size range (M 1. Are you a climbing industry professional or purchasing for a gym? The standard 3/8" diameter socket head bolts are specifically designed to ensure a firm hold These bolts are the industry standard for indoor rock climbing holds. 5". See full list on gearinstitute. In softer rock, it’s recommended to use 1/2” bolts which are at least 3. Step Two: Connect the Anchor Points Climbing Anchor Bolt 8 Set, Stainless Steel Bolt Hanger Climbing Hanger Bolts 25KN Heavy Duty Climbing Anchor Hangers for 3/8" Bolt for Home Gyms, Hammocks, Trailer Tie-Downs Price, product page $37. These climbing holds attach to your climbing wall with a 3/8 inch bolt which screws into a t-nut and is the most common method for mounting climbing holds. 8 4. Canyoning. However, for metric users, there is also the M10. Rock climbing. – Choose the bolt size carefully depending upon strength of base rock material. Bolt dimensions as per ASME B18. 8 out of 5 stars 29 ratings – Bore diameter: 10mm, thickness of material: 4 mm – This hanger features chamfered edges of the eye hole to minimize wear on carabiner. Important: Bolts must be long enough to pass through the climbing hold, panel and T-nut. T-Nuts are placed on the backside of the climbing wall and used for attaching bolt-on climbing holds with a 3/8′′ bolt. Smooth out any rough spots and remove any loose debris. 99 $ 36 . In fact, small-diameter core drilling of climbing bolts is still in experimental stages at climbing areas around the world. T-nuts can be made from different materials, some cheaper than others. Drill the bolt hole at right angles to the rock surface AND over-drill the hole to enable the stud to be hammered into the rock and patched in later years if needed. 4401 / AISI 316 / A4 Stainless Steel. In general, the following practice applies when setting up climbing routes. - Bolts are 3/8" x 16 (thread count)- Socket head = 5/16"- 3 Sizes available; 1. 75" x 3/8" flat head. 7 out of 5 stars 4 Aug 2, 2023 · Although some huge spikes, ropes, and ladders were used on the very first recorded rock-climbing expedition, the ascent of Mount Aiguille near Grenoble (in 1492!), the first real pitons (French: piton, “little peg”; German: felshaken, “hooks for rocks,” or sometimes fiechtlhaken, “Fiechtl’s hooks”) for rock-climbing were invented Ensure you are using the correct drill bit diameter and length – this is crucial for expansion bolts. The first type is Bolt on Climbing Hold Bolt on Holds: Your package should include holds with one hole in them. 5" long. 5", 2", and 2. for Wood, Rock Climbing Holds, Cabinetry (3/8"-16 x 7/16", (100 Pack), Zinc Plated Steel). com : Danger Buddies 26kN Climbing Wall Bolt Hanger/Anchor/Tiedown for 3/8" Screw/Bolt Ideal for Rock Climbing and Home Gyms, Hammocks, Trailer Tie-Downs. 99 Bolt Size Measurements. This is because it is the most common bolt used in climbing gyms, and therefore there are many more compatible climbing holds that fit these dimensions. Aug 7, 2024 · Drill Bits. gzprrp kguuool ofzxh woxwa vpyrrhs sgc ubxy cthfd sjddo qquig