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.

1/4"-28x5/16" Fine Thread Socket Set Screw Cup Point Alloy Steel Zinc Plated

Price Per Piece: $0.0468

Part #:: 0000-257850
Minimum Purchase:: 100 pieces

PRODUCT SPECIFICATIONS (Part # 0000-257850)
Fastener Type:	Socket Set Screw Cup Point
Size Description:	1/4"-28x5/16"
Diameter/Nominal Size:	1/4"
Length:	5/16"
Thread Pitch:	28
Thread Pitch Type:	Fine
Thread Direction:	Right
System of Measurement:	Inch
Grade:	170 KSI Alloy Steel (Grade 9)
Material:	Alloy Steel
Finish:	Zinc Plated
Drive Type:	Internal Hex
Point Type:	Cup
Average Piece Weight:	0.0024000 lbs.

Socket set screws, or grub screws, are commonly used to secure pulleys to shafts, socket set screws are generally headless and rest flush with or below the surface of the application. Set screws come in a variety of different points, cup point being the most common.