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T Bolts are specialized fasteners designed with a T-shaped head that fits into T-slot channels, enabling secure and adjustable clamping in machine assemblies, structural frameworks, and industrial automation systems. Manufactured in compliance with standards such as DIN 787, ISO 898-1, and ASTM specifications, they are widely used in CNC machine tables, aluminum extrusion systems, fixture jigs, and heavy engineering structures where repositioning flexibility and high clamping force are essential.
These bolts are typically produced using carbon steel, stainless steel grades like SS 304 and SS 316, or alloy steel variants depending on corrosion and load requirements. Their precision threading and dimensional accuracy ensure stable engagement under dynamic loads.
KK Fasteners supplies industrial-grade T Bolts to OEMs and engineering industries across global markets, ensuring material traceability and consistent dimensional control for every production batch.
| Parameter | Specification |
|---|---|
| Material | Carbon Steel, Stainless Steel (SS 304, SS 316), Alloy Steel |
| Grades | 4.6, 8.8, 10.9, A2-70, A4-80 |
| Size Range | M6 to M36 / Custom sizes available |
| Thread Type | Metric (M), UNC, UNF |
| Standards | DIN 787, ISO 898-1, ASTM F568 |
| Surface Finish | Zinc Plated, Hot Dip Galvanized, Black Oxide, Passivated |
| Type Variants | T Head Bolts, T Slot Bolts, Hammer Head Bolts |
| Tensile Strength | 400 MPa – 1200 MPa (depending on grade) |
|
a -0,3/-0,5
|
d
|
Length l – Thread length b l – b
|
l – b
|
l – b
|
l – b
|
e
|
k
|
T-Slot width DIN 650
|
|---|---|---|---|---|---|---|---|---|
|
6
|
M 6
|
25 – 15
|
40 – 28
|
63 – 40
|
-
|
10 -0,5
|
4 -0,5
|
6
|
|
8
|
M 8
|
32 – 22
|
50 – 35
|
80 – 50
|
-
|
13 -0,5
|
6 -0,5
|
8
|
|
10
|
M 10
|
40 – 30
|
63 – 45
|
100 – 60
|
-
|
15 -0,5
|
6 -0,5
|
10
|
|
12
|
M 12
|
50 – 35
|
80 – 55
|
125 – 75
|
200 – 120
|
18 -0,5
|
7 -0,5
|
12
|
|
14
|
M 12
|
50 – 35
|
80 – 55
|
125 – 75
|
200 – 120
|
22 -0,5
|
8 -0,5
|
14
|
|
18
|
M 16
|
63 – 45
|
100 – 63
|
160 – 100
|
250 – 150
|
28 -0,5
|
10 -0,5
|
18
|
|
22
|
M 20
|
80 – 55
|
125 – 85
|
200 – 125
|
-
|
35 -0,5
|
14 -0,5
|
22
|
|
28
|
M 24
|
100 – 70
|
160 – 110
|
250 – 150
|
-
|
44 -1
|
18 -1
|
28
|
T Bolts are used wherever adjustable clamping, modular assembly, or T-slot-based fastening is required across industrial systems.
T Bolts are manufactured using cold forging and precision machining techniques to achieve consistent head geometry and thread accuracy. Controlled heat treatment processes are applied to achieve required mechanical strength across different grades. Each batch undergoes dimensional inspection, hardness testing, and surface coating verification to ensure compliance with international standards.
KK Fasteners implements full lot traceability and inspection protocols aligned with ISO 9001 quality management systems. Surface treatments are verified for uniform coating thickness, ensuring durability in corrosive and high-load environments before dispatch.
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T Bolts are industrial fasteners with a T-shaped head designed to slide into T-slots or channels. They provide strong and adjustable clamping in machine tables, aluminum profiles, and structural assemblies, allowing components to be repositioned without removing the bolt completely.
The best material depends on the application. Stainless steel 304 is suitable for general corrosion resistance, while stainless steel 316 performs better in marine or chemical environments. Carbon steel grades like 8.8 or 10.9 are ideal for high-strength applications requiring greater load-bearing capacity.
T Bolts are typically manufactured according to DIN 787, ISO 898-1, and ASTM F568 standards. These standards define dimensions, mechanical properties, and performance requirements to ensure compatibility with industrial systems and reliable fastening performance.
T Bolts are widely used in CNC machine tables, aluminum extrusion frameworks, industrial automation systems, automotive assembly lines, and heavy machinery setups where adjustable positioning and secure fastening are required.
A reliable manufacturer should offer ISO-certified production, material traceability, and compliance with international standards. Suppliers like KK Fasteners also provide consistent quality checks, export documentation, and experience in handling global industrial supply requirements.
T Bolts play a critical role in modular industrial systems where precision alignment and repeatable fastening are essential. Selecting the right grade and manufacturing standard directly impacts system reliability and operational safety.
KK Fasteners supports global OEMs with engineered fastening solutions backed by strict quality control and export-ready logistics. For technical specifications, pricing, or custom requirements, connect with the engineering team to request a detailed quotation or product datasheet.
