Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 3-1/2" Grade 8 [Cup Point] [External Square Drive] length_4-1-2 The screw has a length

The screw has a length of 4-1/2" and a thread of 1-3/4-5

the base expands as you tighten the nut for a secure hold in concrete

The screw has a length of 5" and a thread of 3/4-10

The screw has a length of 10" and a thread of 7/8-9

This hexagonal bolt has a length of 10-1/2" with a threading of 7/8-9 [Partially Threaded]

Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 3-1/2" Grade 8 [Cup Point] [External Square Drive] length_4-1-2 The screw has a lengthUse 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 3 1 2" and a thread of 1 8.