Socket Head Cap Screws also known as Hex Socket Head Cap Screws or acronym SCHS. SCHS are round headed screws with an hex socket in the head for Allen key engagement. Also called as Allen Head Screws. These socket head cap screws are available with knurled head or plain head.
Socket head cap screws are available in metric and imperial sizes up to 4 inch. DIN 912, ISO 4762, ANSI/ASME B18.3 are most common dimension standard for manufacturing Socket Head Cap Screws. ASTM A574 is a known grade specification for producing alloy steel high tensile socket head cap screws.
Forming | Hot & Cold Forged |
Metric Size | M10 to M100 |
Imperial Size | 3/8 to 8" |
Threads | UNC, UNF, ISO, BSW & ACME. |
Standards | ASME,BS,DIN,ISO,UNI,DIN-EN |
Sub types | 1. Fully Threaded Socket Head Cap Screws 2. Partial Threaded Socket Head Cap Screws 3. Metric Socket Head Cap Screws 4. Imperial Socket Head Cap Screws |
ASME B18.2.1 | 3/8 inch to 3 inch |
BS 1769 | ½ inch to 2 inch |
ASME B18.2.3.6M | M12 to M36 |
ASME B18.2.3.7M | M16 to M36 |
DIN 6914 | M12 to M36 |
ISO 7412 | M12 to M36 |
UNI 5712 | M12 to M36 |
DIN-EN 14399-4 | M12 to M36 |