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Thumb & Knurled Head Screws | Thread Size: 4-40

Thumb head and knurl head screws are designed to be tightened and loosened by hand. Reid Supply Company carries nearly 300 different types of thumb head and knurled head screws. These screws are perfect for simple, light duty tasks. With a full range of options to choose from, Reid Supply Company is sure to have the right product for you.

KTS-4118: $3.12 Head Height: 3/8 inch Head Type: Narrow Knurled Length (Under Head): 1 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40

AJ-559: $3.44 Head Height: 3/16 inch Head Type: Knurled Length (Under Head): 1/2 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40

AJ-989: $4.86 Head Height: 3/16 inch Head Type: Knurled w/Washer Face Length (Under Head): 7/16 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40

AJ-803: $3.81 Head Height: 3/16 inch Head Type: Knurled w/Washer Face Length (Under Head): 5/16 inch Material: Brass Point Type: Standard Thread Size: 4-40

AJ-450: $3.54 Head Height: 3/16 inch Head Type: Knurled Length (Under Head): 5/16 inch Material: Brass Point Type: Standard Thread Size: 4-40

AJ-986: $4.77 Head Height: 3/16 inch Head Type: Knurled w/Washer Face Length (Under Head): 3/8 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40

AJ-553: $3.10 Head Height: 3/16 inch Head Type: Knurled Length (Under Head): 5/16 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40

AJ-923: $3.48 Head Height: 3/16 inch Head Type: Knurled w/Washer Face Length (Under Head): 5/16 inch Material: Steel Point Type: Standard Thread Size: 4-40

AJ-509: $2.89 Head Height: 3/16 inch Head Type: Knurled Length (Under Head): 1/2 inch Material: Steel Point Type: Standard Thread Size: 4-40

AJ-983: $4.68 Head Height: 3/16 inch Head Type: Knurled w/Washer Face Length (Under Head): 5/16 inch Material: Stainless Steel Point Type: Standard Thread Size: 4-40