This account from Hallowell does not mention the Allen patent of 1910, nor the Allen safety set screw product line. Hallowell does describe, however, the same inspiration also mentioned in connection with Allen for a wave of adoption of the hex socket head , beginning with set screws and followed by cap screws . M3 Stainless Steel Hex Socket Head Cap Screws Nuts Assortment Kit, Allen Wrench Drive, Precise Metric Bolts and Nuts Set with Beautiful Assortment Tool Box for 3D Printed Project, 310 Pcs (Silver) by XOOL. $10.99 $ 10 99 Prime. FREE Shipping on eligible orders. 4.3 out of 5 stars 78. These Zinc-Plated Steel Hex - Head Cap Screws can help These Zinc-Plated Steel Hex - Head Cap Screws can help you finish a variety of fastening jobs with ease. These screws are zinc plated and made from steel for durability. Hex drive and rated Grade-5 heavy duty.

Find great deals on eBay for allen head screws . Shop with confidence. Skip to main content. eBay Logo: . 1/4-28 Socket Head Cap Screws Allen Hex Drive Stainless Steel Bolts All Lengths. Select Desired Length / Package Quantity in Listing. Brand New. $6.78 to $212.82. FAST 'N FREE. Buy It Now. Shop our selection of Internal Hex , Screws in the Hardware Department at The Home Depot. Count on Imperial Supplies for Hex Head Cap Screws . Log-in or register to view your pricing on all Hex Head Cap Screws products.

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