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Item Tag: Machine Screw

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500 #2-56 x 3/8″ Flat Head Slotted Miniature Machine Screws, Zinc Plated Steel

0533F4G.30 New US Air Force Surplus Screws, #2-56 x 3/8" Flat Head Slotted Miniature Machine Screws, Zinc Plated Steel. Each bid quantity is for a Lot of Five Hundred (500) Pieces. You may bid / buy any number of lots, up to the total quantity available above. Excellent quality components from the USAF. We acquired these at a military surplus auction a couple of years ago. These were purchased in open bins, so there may be an occasional variant length, head style, piece of lint, etc., but there should not be very many. According to the calipers: Overall length: .363" Threads: #2-56 x 3/8" (diameter-threads per inch x length) Head diameter: .157" Material: Steel (zinc plated)
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July 4, 2026

Lot 100 Hex Head #4-40 x 7/16″ Chromate Machine Screws, Captive Star Lock Washer

2525XF2C.16 New Irwin Hex Washer Head #4-40 x 7/16" Yellow Zinc Chromate Machine Screws With Captive External Tooth Star Lock Washer, Part Number MUWE-0407-YY. Each bid quantity is for a Lot of One Hundred (100) Screws. You may bid / buy any number of lots, up to the total quantity available above. These were purchased at an electronics supplier liquidation earlier this year, and they were brand new in the original factory bags. We repackaged them in heavy Ziplok bags for resale. According to the calipers Overall length: .490" / 12.44mm Length, from underside of head to tip of threads: .426" / 10.82mm Length, from underside of lock washer to tip of threads: .389" / 9.89mm Head hex size: 3/16" Washer diameter: .234" / 5.94mm Thread diameter: .109" / 2.75mm Threads: #4-40
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July 4, 2026