Stainless Steel Knurled Shoulder Thumb Screw, 5/16-18, 1-1/4 in Thread Length

SKU:
WBB2258966
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$10.49
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Product Specifications:
Country of Origin: Made In USA
Material: Steel
Product Type: Knurled Head
Quantity Included: 1
Shipping Weight: 16 lbs
Manufacturer Part Number: KK-3112
Head Diameter: 1-1/4 in
Head Height: 3/4 in
Shoulder Diameter: 5/8 in
Shoulder Height: 1/2"
Size: 5/16-18
Thread Length: 1-1/4 in
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Minimum Purchase:
5 units
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Free Shipping on Qualifying Orders Over $99

Product Specifications:
Country of Origin: Made In USA
Material: Steel
Product Type: Knurled Head
Quantity Included: 1
Shipping Weight: 16 lbs
Manufacturer Part Number: KK-3112
Head Diameter: 1-1/4 in
Head Height: 3/4 in
Shoulder Diameter: 5/8 in
Shoulder Height: 1/2"
Size: 5/16-18
Thread Length: 1-1/4 in
Minimum Purchase:
5 units

This knurled shoulder thumb screw is a hand-adjusted fastener for maintenance teams, fabricators, and other commercial users who need to secure threaded components without relying on a separate tool. Its knurled head provides a grip point for manual tightening and loosening.

The screw has a 5/16-18 thread with a 1-1/4 in thread length. It features a 1-1/4 in head diameter, a 3/4 in head height, straight knurling, and solid one-piece stainless steel construction. Overall listed dimensions are 1.25 in wide by 2 in deep by 1.25 in high.


Key Features:

  • 5/16-18 Thread: Matches components designed for this thread size.
  • Straight Knurled Head: Provides a textured grip for hand adjustment.
  • One-Piece Construction: Combines the screw and head in a single solid component.
  • 1-1/4 in Head Diameter: Offers a broad manual grip surface.

Choose this stainless steel knurled thumb screw when a 5/16-18 hand-adjusted fastener with a shoulder, straight knurling, and a 1-1/4 in thread length fits your application.

Country of Origin: Made In USA
Material: Steel
Product Type: Knurled Head
Quantity Included: 1
Shipping Weight: 16 lbs
Manufacturer Part Number: KK-3112
Head Diameter: 1-1/4 in
Head Height: 3/4 in
Shoulder Diameter: 5/8 in
Shoulder Height: 1/2"
Size: 5/16-18
Thread Length: 1-1/4 in
Unit of Measurement: Inch (Imperial)
Brand: Morton Machine Works
Finish: Black Oxide
Knurling: Straight
Manufacturers Part Number: KK-3112
Package Quantity: 1
Width: 1.25 in
Height: 1.25 in
Depth: 2.00 in