PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot.

5/16"-18x1/2" Coarse Thread Grade 8 Hex Flange Screw Alloy Steel Black Phosphate

Price Per Piece: $0.2151

Part #:: 0000-257027
Minimum Purchase:: 1400 pieces

PRODUCT SPECIFICATIONS (Part # 0000-257027)
Fastener Type:	Hex Flange Screw
Size Description:	5/16"-18x1/2"
Diameter/Nominal Size:	5/16"
Length:	1/2"
Thread Pitch:	18
Thread Pitch Type:	Coarse
Thread Direction:	Right
System of Measurement:	Inch
Grade:	8
Material:	Alloy Steel
Finish:	Black Phosphate
Head Type:	Hex Flange
Drive Type:	External Hex
Average Piece Weight:	0.0273100 lbs.

Flange screws distributes holding pressure by having a circular shaped flange (external ridge) under the head so that the screw is less likely to come loose; non-serrated variety is also known as a frame bolt.