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.

5/8-18 x 4 1/4 Fine Thread Grade 8 Hex Flange Screw Alloy Steel Black Phosphate

Price Per Piece: $2.9562

Part #:: 0000-181093
Minimum Purchase:: 10 pieces

PRODUCT SPECIFICATIONS (Part # 0000-181093)
Fastener Type:	Hex Flange Screw
Size Description:	5/8-18 x 4 1/4
Diameter/Nominal Size:	5/8"
Length:	4 1/4"
Wrench Size/Across Flats:	15/16" (0.922-0.9375")
Width Across Corners:	1.034-1.083"
Head Height:	0.620"
Flange Diameter:	1.33"
Flange Thickness:	0.10"
Thread Pitch:	18
Thread Pitch Type:	Fine
Thread Direction:	Right
System of Measurement:	Inch
Grade:	8
Material:	Alloy Steel
Finish:	Black Phosphate
Head Type:	Hex Flange
Drive Type:	External Hex
Standards Met:	SAE J429
Average Piece Weight:	0.5016000 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.