HT Allen Socket CSK Screws in the UNC series are available in a range of sizes, from 3/16" to 1/2" across multiple lengths (1/2"–2"). Each screw meets DIN 7991 specifications with a 12.9 strength grade, black finish, and full threading. This collection offers the standard sizes you need for high‑strength applications that require a durable, fully threaded CSK socket.

HT Allen Socket CSK Screw - UNC Series

15 products

1/2" x 1 1/2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/2 1 1/2 C FT

1/2" x 2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/2 2 C FT

1/4" x 1 1/4"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/4 1 1/4 C FT

1/4" x 1/2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/4 1/2 C FT

1/4" x 1"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/4 1 C FT

1/4" x 2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79911/4 2 C FT

3/16" x 1 1/2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/16 1 1/2 C FT

3/16" x 1/2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/16 1/2 C FT

3/16" x 1"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/16 1 C FT

3/16" x 3/4"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/16 3/4 C FT

3/8" x 1 1/2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/8 1 1/2 C FT

3/8" x 1 1/4"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79913/8 1 1/4 C FT

5/16" x 1 1/4"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79915/16 1 1/4 C FT

5/16" x 1"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79915/16 1 C FT

5/16" x 2"UNC - DIN 7991/12.9/Black/Full Thread

High-tensile steel · 79915/16 2 C FT