The MS Hex Head Bolts – UNC Series offers standard hex‑head bolts with matching nuts in Unified National Coarse (UNC) thread, covering diameters from 5/16" to 1" and lengths up to 10". All items meet BS 18.2 (1768) grade 4.6 or 4.8 specifications and are supplied with options such as natural finish, WZP coating and full‑thread construction. Choose this series when you need a proven, interchangeable UNC bolt and nut set for a wide range of industrial applications.

MS Hex Head Bolts - UNC Series

66 products

MS Hex Head Bolt :1/2" x 1"UNC / BSW - BS 18.2 (1768)/4.6/EPG

MS Hex Head Bolt :1/2" x 1"UNC / BSW - BS 18.2 (1768)/4.6/EPG

Mild steel · 09331/2 1 C 4.6 EPG

MS Hex Head Bolt:5/16" x 6"UNC - BS 18.2 (1768)/4.6/Half Thread

MS Hex Head Bolt:5/16" x 6"UNC - BS 18.2 (1768)/4.6/Half Thread

Mild steel · 09315/16 6 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 10"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 10"UNC - BS 18.2 (1768)/4.6

Mild steel · 09311/2 10 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 1 1/2"BSW - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

MS Hex Head Bolt c/w Nut:1/2" x 1 1/2"BSW - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

Mild steel · 09331/2 1 1/2 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 1 1/4"BSW - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

MS Hex Head Bolt c/w Nut:1/2" x 1 1/4"BSW - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

Mild steel · 09331/2 1 1/4 C4.6

MS Hex Head Bolt c/w Nut:1/2" x 1 1/4"BSW/UNC - BS 18.2 (1768)/4.8/WZP/Full Thread

MS Hex Head Bolt c/w Nut:1/2" x 1 1/4"BSW/UNC - BS 18.2 (1768)/4.8/WZP/Full Thread

Mild steel · 09331/2 1 1/4C4.6WZP

MS Hex Head Bolt c/w Nut:1/2" x 1"UNC / BSW - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 1"UNC / BSW - BS 18.2 (1768)/4.6

Mild steel · 09331/2 1 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 2 1/2"UNC - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

MS Hex Head Bolt c/w Nut:1/2" x 2 1/2"UNC - BS 18.2 (1768)/4.8/Natural Finish/Full Thread

Mild steel · 09331/2 2 1/2 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 2"UNC - BS 18.2 (1768)/4.8/Natural Finish/ Full Thread

MS Hex Head Bolt c/w Nut:1/2" x 2"UNC - BS 18.2 (1768)/4.8/Natural Finish/ Full Thread

Mild steel · 09331/2 2 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 3"UNC - BS 18.2 (1768)/4.6 - FULL THREAD

MS Hex Head Bolt c/w Nut:1/2" x 3"UNC - BS 18.2 (1768)/4.6 - FULL THREAD

Mild steel · 09331/2 3 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 4"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 4"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/2 4 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 4"UNC - BS 18.2 (1768)/4.6 Half Thread

MS Hex Head Bolt c/w Nut:1/2" x 4"UNC - BS 18.2 (1768)/4.6 Half Thread

Mild steel · 09311/2 4 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 5"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 5"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/2 5 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 6"UNC - BS 18.2 (1768)/4.8/Natural Finish/Half Thread

MS Hex Head Bolt c/w Nut:1/2" x 6"UNC - BS 18.2 (1768)/4.8/Natural Finish/Half Thread

Mild steel · 09311/2 6 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 8"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 8"UNC - BS 18.2 (1768)/4.6

Mild steel · 09311/2 8 C 4.6

MS Hex Head Bolt c/w Nut:1/2" x 8"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/2" x 8"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/2 8 C 4.6

MS Hex Head Bolt c/w Nut:1/4" x 1 1/2"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/4" x 1 1/2"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/4 1 1/2 C 4.6

MS Hex Head Bolt c/w Nut:1/4" x 1"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/4" x 1"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/4 1 C 4.6

MS Hex Head Bolt c/w Nut:1/4" x 2"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/4" x 2"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/4 2 C 4.6

MS Hex Head Bolt c/w Nut:1/4" x 3/4"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/4" x 3/4"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/4 3/4 C 4.6

MS Hex Head Bolt c/w Nut:1/4" x 3"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1/4" x 3"UNC - BS 18.2 (1768)/4.6

Mild steel · 09331/4 3 C 4.6

MS Hex Head Bolt c/w Nut:1" x 10"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:1" x 10"UNC - BS 18.2 (1768)/4.6

Mild steel · 09311 10 C 4.6

MS Hex Head Bolt c/w Nut:1" x 6"UNC - BS 18.2 (1768)/4.6 - FULL THREAD

MS Hex Head Bolt c/w Nut:1" x 6"UNC - BS 18.2 (1768)/4.6 - FULL THREAD

Mild steel · 09331 6 C 4.6

MS Hex Head Bolt c/w Nut:3/4" x 1 1/2"UNC - BS 18.2 (1768)/4.6

MS Hex Head Bolt c/w Nut:3/4" x 1 1/2"UNC - BS 18.2 (1768)/4.6

Mild steel · 09333/4 1 1/2 C 4.6