DIN 787 High-Strength Grade 8.8 T-Slot Bolts for Machine Tools

High-strength black oxide T-slot bolts for machine tables, fixtures and clamping assemblies. Specify slot dimensions, thread size and length for a quotation.

Category: Bolt

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Product Details

1Product Attributes（General specification）

Product Name	GB/T37 T-slot Bolt
Standard	GB/T 37
Material	Carbon steel, 8.8 / 10.9 / 12.9 grade
Surface Treatment	Black oxide (black finish)
Structure	Rectangular T head, external thread shank, designed for T slot groove installation
Origin	Hebei · Handan · Yongnian — Integrated Manufacturer & Exporter
MOQ	100 Pcs (negotiable for trial orders)

2Performance Parameter（Reference data）

Strength Grade	8.8, 10.9, 12.9
Thread Tolerance	6g
Feature	Easy loading into T-slot, anti-rotation, high tensile strength, convenient clamping and adjustment
Working Temperature	-40 ℃ ~ +120 ℃
Service Life	Suitable for indoor machine tool, mold workshop environment

3Optional Types

Black Oxide	Standard option, low cost, wear resistance, for general mold and fixture use
Hot Dip Galvanized	Custom available, for outdoor anti-corrosion working condition

4Size Table（Common models）

Common specifications of GB/T37 T-slot bolt, custom length available upon request.

Model	Thread Size	T Head Width(mm)	Available Length Range(mm)	Grade Option
TB-M8	M8	14	25 ~ 80	8.8
TB-M10	M10	16	30 ~ 100	8.8 /10.9
TB-M12	M12	20	35 ~ 120	8.8 /10.9 /12.9
TB-M16	M16	24	40 ~ 160	10.9 /12.9
TB-M20	M20	30	50 ~ 200	10.9 /12.9

5Applications & Packaging

Applications	Machine tool worktable, T-slot fixture, mold clamping, inspection jig, welding fixture, automation equipment fixing.
Packaging	Woven bag or wooden pallet, waterproof stretch film wrapped
Documents	PI, Packing List, Certificate of Origin, Mill Test Certificate
Payment Terms	30% T/T in advance, balance before shipment
Lead Time	3–7 days for regular stock, 7–15 days for customized specifications