Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 3/4-16 * 1-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity These bolts are classified as

These bolts are classified as ASME B18

This hexagonal bolt has a length of 8-1/2" with a threading of 1-1/2-6 [Partially Threaded]

They’re often used to guide or align components

This hexagonal bolt has a length of 13" with a threading of 1-8 [Partially Threaded]

The screw has a length of 10" and a thread of 1-8

Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 3/4-16 * 1-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity These bolts are classified asUse these set screws for light duty holding. A square head allows them to be turned by hand, or fastened with a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head. The screw has a length of 1 1 2" and a thread of 3 4 16.