Bismi Bolt House
Allen Bolt (Socket Head Cap Screw)

Allen Bolts & Screws

Allen Bolt (Socket Head Cap Screw)

TVS Unbrako and other brand Allen bolts (socket head cap screws, DIN 912) in 12.9 black and SS 304, M3 to M30.

Allen Bolt (Socket Head Cap Screw) specifications
MaterialAlloy steel, Stainless steel SS 304
Grade / property class12.9, A2-70
Sizes availableM3 to M30, Lengths 6 mm to 200 mm
FinishBlack (oiled), Natural stainless
StandardsDIN 912, ISO 4762, IS 2269
BrandsTVS Unbrako and other leading brands
DriveHexagon socket (Allen key)
PricePrice on request – depends on size and quantity
AvailabilityIn stock for Trichy & Thanjavur. Delivered across Tamil Nadu and all over India.

Need a price or bulk quantity?

Send us the size and quantity on WhatsApp. Pick up in Trichy & Thanjavur, or we deliver across Tamil Nadu and all over India. We usually reply within working hours (Mon – Sat, 9:00 AM – 8:00 PM).

About Allen Bolt (Socket Head Cap Screw)

Allen bolts (socket head cap screws) have a round head with a hexagon socket, tightened with an Allen key. The compact head fits in tight spaces and counterbored holes, which is why they are standard on machines, dies, jigs and moulds.

Grades we stock

  • 12.9 black: the strongest common grade, for machinery and tooling
  • SS 304 (A2-70): rust-free, for food, water and outdoor machines

We are stockists of TVS Unbrako socket screws and other leading brands, M3 to M30.

Common applications

  • Machine tools, dies, jigs and moulds
  • Motors, gearboxes and pumps
  • Automotive and textile machinery

Frequently asked questions

›What grade are black Allen bolts?

Black Allen bolts are usually grade 12.9, the strongest common grade, about 1,200 MPa tensile strength.

›Do you stock Unbrako Allen bolts?

Yes, we are stockists of TVS Unbrako Allen bolts along with other brands.

More allen bolts & screws