Rule Company, Inc.

Metric Socket Products

Socket screws, also known as Allen head are fastened with a hex Allen wrench.

Available socket type and material:

Metric socket head - knurled or smooth
A bolt using socket (allen) drive with a small cylindrical head.

Stainless A-2 (18-8)
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications.

Steel grade 12.9
Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required. Black oil (plain) finish. Not recommended for exterior use.

Metric socket head (smooth)
A bolt using socket (allen) drive with a small cylindrical head. Note:The heads of our metric chrome socket cap screws are imprinted with the material and manufacturer designations on the rim of the cap.

Metric socket flat head

A countersunk bolt with a socket (allen) drive.

Stainless A-2 (18-8)
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications.

Steel grade 12.9
Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required. Black oil (plain) finish. Not recommended for exterior use.

Metric socket button head

A bolt with a low profile head and a socket (allen) drive.

Stainless A-2 (18-8)
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications.

Steel grade 12.9
Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required. Black oil (plain) finish. Not recommended for exterior use.

Metric socket set screws

A headless bolt with a socket (Allen) drive.

Stainless A-2 (18-8)
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications.

Steel grade 14.9
Made from heat treated alloy steel. Best for applications where extreme strength and hardness are required. Black oil (plain) finish. Not recommended for exterior use.

Metric Fasteners

Metric Socket Products