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T-slot bolts are essential for securely fastening components in a wide variety of applications, from woodworking jigs to industrial machinery. Ensuring you select the correct type and size is crucial for the integrity and safety of your projects. This guide will help you navigate the key considerations when purchasing these versatile fasteners.
INCLUDES: (20) Tee Bolts 1/4”-20 thread bolt and 1-1/2 long
FUNCTION: Essential jig and fixture hardware designed with precision machined t-heads that fit inside routed grooves and t-slots, allowing the tightening and customization of your own jigs an easy task
QUALITY: T-Bolts are made from high quality zinc-plated carbon steel for corrosion resistance, rust protection and long lasting durability
DESIGN: Able to withstand strong torque with heavy usage, and won’t easily strip, nor over-tighten
BOLT SIZE AND THREAD: Length 1. 5” | T-Shaped Heads 3/4" by 17/32” by 7/64” Thick | 1/4”-20 All Thread | PLEASE NOTE: Our t-bolts, both 1/4"-20 and 5/16"- 18 have a head size of 17/32" wide x 3/4" long and 7/64" thick (Please see drawing). They...
Versatile t Track Bolts - this t-track adapter accessory kit is a great solution to attach items firmly to your t track crossbar, compatible with t slot, perfect t-track adapter accessory kit to attach bike rack / ski rack / kayak rack, roof rack awning...
Technical Specification - the t bolt is made of 304 solid stainless steel, 79 in x 0.79 in x 0.16 in (20mm x 20mm x 4mm) square head base, m6 / m8 threading, 30mm / 35mm / 65mm length
Easy to Set Up - no drilling, cleaner look, just need to slide it into the t slot of your roof bar, and won't scratch your cross bar, great alternative to roof rack t track clamp*NOTE-please check the dimension of your cross bar rail, this t bolts base is...
Marine Resistant - stamping t slot accessories, more durable compared with welding parts, made of solid 304 stainless steel, it features rust resistant and corrosion resistant even in salt water, designed for most harsh environment, perfect t track...
What You Will Receive - roof rack mounting hardware kit, include t-bolt with lock nuts and washer, satisfying purchasing experience of your customer is our priority, please feel free to contact us if you have other questions! Thanks for your supporting!
Premium Materials: The T bolt set is made of premium A2-70 stainless steel material, with nickel plating on the surface, which is strong and durable and not easy to rust.
Package List: You will receive 10 pieces of M8 x 20mm stainless steel hammer head screws and 10 pieces of M8 size flange nuts. The set comes in sufficient quantity to meet your daily use needs.
Easy to Install: T dlot drop-in bolt can be inserted directly into the aluminum long holes of any mounting post, making it easy to connect the aluminum profile to other components.
Exact Dimensions: hammer head screw M8 diameter: 8 mm, thread length: 20 mm, total length: 24 mm, thickened T-head, width: 10 mm, thickness: 4 mm, head length: 23 mm.
Wide Range of Applications: Hammer head bolts are suitable for aluminum profile assembly, connecting solar modules, photovoltaic roof hooks, T-slot guide rails and solar panel fastening.
INCLUDES: (20) Tee Bolts 5/16”-18 thread bolt and 1-1/2 long
FUNCTION: Essential jig and fixture hardware designed with precision machined t-heads that fit inside routed grooves and t-slots, allowing the tightening and customization of your own jigs an easy task
QUALITY: T-Bolts are made from high quality zinc-plated carbon steel for corrosion resistance, rust protection and long lasting durability
DESIGN: Able to withstand strong torque with heavy usage, and won’t easily strip, nor over-tighten
BOLT SIZE AND THREAD: Length 1.5” | T-Shaped Heads 13/16” by 17/32” by 7/64” Thick | 5/16"-18 All Thread | PLEASE NOTE: Our t-bolts, both 1/4"-20 and 5/16"- 18 have a head size of 17/32" wide x 13/16" long and 7/64" thick (Please see drawing...
INCLUDES: (20) Tee Bolts 1/4”-20 thread bolt and 1 long
FUNCTION: Essential jig and fixture hardware designed with precision machined t-heads that fit inside routed grooves and t-slots, allowing the tightening and customization of your own jigs an easy task
QUALITY: T-Bolts are made from high quality zinc-plated carbon steel for corrosion resistance, rust protection and long lasting durability
DESIGN: Able to withstand strong torque with heavy usage, and won’t easily strip, nor over-tighten
BOLT SIZE AND THREAD: Length 1” | T-Shaped Heads 3/4" by 17/32” by 7/64” Thick | 1/4”-20 All Thread | PLEASE NOTE: Our t-bolts, both 1/4"-20 and 5/16"- 18 have a head size of 17/32" wide x 3/4" long and 7/64" thick (Please see drawing). They are...
Versatile t Track Bolts - this t-track adapter accessory kit is a great solution to attach items firmly to your t track crossbar, compatible with roof rack with rails, perfect t-track adapter accessory kit to attach bike rack / ski rack / kayak rack, roof...
Technical Specification - the t bolt is made of 304 solid stainless steel, 79 in x 0.79 in x 0.16 in (20mm x 20mm x 4mm) square head base, m6 / m8 threading, 30mm / 35mm / 65mm length
Easy to Set Up - no drilling, cleaner look, just need to slide it into the t slot of your roof bar, and won't scratch your cross bar, great alternative to roof rack t track clamp*NOTE-please check the dimension of your cross bar rail, this t bolts base is...
Marine Resistant - stamping t slot accessories, more durable compared with welding parts, made of solid 304 stainless steel, it features rust resistant and corrosion resistant even in salt water, designed for most harsh environment, perfect t track...
What You Will Receive - roof rack mounting hardware kit, include t-bolt with lock nuts and washer, satisfying purchasing experience of your customer is our priority, please feel free to contact us if you have other questions! Thanks for your supporting!
𝐒𝐢𝐳𝐞 & 𝐊𝐢𝐭 𝐂𝐨𝐧𝐭𝐞𝐧𝐭𝐬: 40-piece kit with 1/4"-20 standard threads and 4 lengths (10pcs each): 2-1/4", 1-1/2", 1-1/4", 1". Fits standard T-slots for woodworking, DIY, and more
𝐃𝐮𝐫𝐚𝐛𝐥𝐞 𝐐𝐮𝐚𝐥𝐢𝐭𝐲: T-bolts are made from high quality zinc-plated carbon steel, these bolts are built to last. The galvanized coating provides superior corrosion and rust resistance, making them suitable for both...
𝐃𝐞𝐬𝐢𝐠𝐧: Featuring a T-shaped head, these bolts are designed for maximum functionality. The unique shape allows for a snug fit within the T-track, providing enhanced flexibility and the ability to withstand high torque without slipping or...
𝐄𝐚𝐬𝐲 𝐭𝐨 𝐔𝐬𝐞: With these T-track bolts, setup is a breeze. Simply insert the T-shaped head into the compatible T-track, slide it to the desired position, and secure it in place with a nut
𝐖𝐢𝐝𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧: The T-slot bolt is fastened with nuts between aluminum profiles and accessories. It is commonly used in aluminum alloy rack assembly, T-slot tracks, furniture assembly, and paper machines. It...
𝐏𝐮𝐫𝐩𝐨𝐬𝐞: The T - track knob kit is compatible with any universal track, T - track, and double - cut track that can accept a standard 1/4" bolt head. It helps to secure various fixtures and accessories while optimizing your favorite T...
𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥: The surface of the T-track accessory nut is made of PP, which is smooth and wear-resistant. The internal insert of the nut, as well as the hex bolt and washer, are made of steel. They have a galvanized surface that is...
𝐒𝐢𝐳𝐞𝐬: A bolt length: 1-1/4"; B bolt length: 2"; bolt head size: 0.71"×0.43"×0.08" (L×W×Thick); hex nut head diameter: 1.26"; hex nut head thickness: 0.51"; washer inner diameter: 1/4"; washer thickness: 0.06”
𝐖𝐢𝐝𝐞𝐥𝐲 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐛𝐥𝐞: The star knobs kit is widely used for securing fixtures, equipment, furniture, lathes, drilling machines, and other workshop accessories
𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐬: You will receive 5 pcs 1-1/4" t track bolts, 5 pcs 2" t track bolts, 10 pcs washers, and 10 pcs t track knobs. The ample quantity is sufficient to meet a variety of your usage needs
Material:Made of A2-70 304 stainless steel, these t-slot bolts resist rust and corrosion, ensuring lasting performance even in outdoor or industrial settings
Applicable scenarios:Ideal for securing t slot rack systems, aluminum profiles, photovoltaic solar mounting, and warehouse storage setups
Easy to install:The T Slot Drop-in Bolt Hammer Head Bolts insert smoothly into T-slots for quick, tool-free setup,enhance efficiency during assembly and adjustments
Package Contents: 20 bolts, each t bolt comes with Hexagon Flange Nuts that bite into surfaces to prevent loosening from vibration, offering a secure and stable connection
Function:Precision-machined for a burr-free surface and deep spiral threads, these T Shape Stud Sliding Screws ensure a precise fit and strong hold every time
The sliding T bolt is made of fine iron material with zinc plating, having the characteristics of corrosion resistance, wear resistance and strong hardness
The T bolts are suitable for woodworking, machinery, furniture or equipment assembly, widely used as hardware accessories on T tracks or aluminum extrusions
Just need to put this bolt in the slot of T track or aluminum extrusion, then fix other accessories with threads for easy installation
The T track bolt is designed to have a T shaped head, making it can be locked in the slot and not easily strip
Last update on 2026-07-10 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best T-Slot Bolts
Understanding T-Slot Bolt Types
Standard T-Bolts: These are the most common type, featuring a T-shaped head designed to fit into the T-slot of a machine or workbench. They are available in various thread sizes and lengths.
Shoulder T-Bolts: These bolts have an extended, unthreaded portion below the head, providing a shoulder that can rest against the T-slot. This offers enhanced stability and load-bearing capacity.
Forming T-Bolts: Used in applications where a permanent or semi-permanent connection is needed, these bolts are designed to deform the material around the slot to create a secure fit without the need for a nut.
Key Considerations for Selection
Material: T-slot bolts come in various materials, including steel (often zinc-plated for corrosion resistance), stainless steel, and brass. Choose based on your application's environmental conditions and strength requirements. Stainless steel is ideal for corrosive environments.
Thread Size and Length: Ensure the thread size matches the threaded hole or nut you intend to use. The length should be sufficient to pass through your workpiece and engage adequately with the mating thread, but not so long that it interferes with operation.
Head Size and Shape: The head of the T-slot bolt must fit snugly within the T-slot of your equipment. Measure the width and depth of your slots to ensure compatibility.
Tensile Strength: For heavy-duty applications, consider the tensile strength rating of the bolt. Higher grades of steel offer greater strength.
Applications and Usage
T-slot bolts are indispensable for building jigs, fixtures, and mounting workpieces on milling machines, drill presses, and workbenches. They allow for quick and secure adjustments and are a fundamental component in many custom fabrication projects. Always ensure the bolt head is fully seated in the T-slot before tightening to prevent movement and ensure maximum holding power.
Frequently Asked Questions
What is the difference between a T-bolt and a regular bolt?
A T-bolt has a distinct T-shaped head designed to fit into the T-slot of machinery or workbenches. Regular bolts typically have hex or round heads and are used with nuts or tapped holes.
How do I measure the correct T-slot bolt size?
You need to measure the width of your T-slot to ensure the bolt head fits. You also need to know the thread size (e.g., M6, 1/4-20) that will mate with your nut or tapped hole. Finally, measure the required length to pass through your workpiece and engage the mating thread.
Can T-slot bolts be used outdoors?
For outdoor or corrosive environments, it is best to use T-slot bolts made of stainless steel. Standard steel bolts, even if plated, may rust over time and lose their integrity.
What are T-slot bolts made of?
They are commonly made from steel, often with zinc plating for corrosion resistance. Stainless steel is also a popular choice for its durability and resistance to rust. Brass is used in some specialized applications.
How do I tighten a T-slot bolt securely?
Ensure the bolt head is fully seated within the T-slot. Then, use an appropriate wrench or socket to tighten the bolt against your workpiece or fixture. Over-tightening can damage the bolt or the slot.
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