1/4-20 x 1-1/2" Hex Head Bolts, Grade 8 (1/2" to 4" Lengths in Listing) Hex Head Cap Screws (1/4-20x1-1/2 50pcs) 1/4-20x1-1/2 50pcs auspowers_batchone Upgrade Secure Barbed Design -

Upgrade Secure Barbed Design - Fitting Tightly

add it to your RFID door lock if applicable

do not even touch the board when power is on or your hand has static charge(you can remove static charge by touching metal tap)

11-Inch Stainless Steel Rivet Nut Round Head Steel Metal Sheet Mounting Hardware Fastener 100pcs

1/4-20 x 1-1/2" Hex Head Bolts, Grade 8 (1/2" to 4" Lengths in Listing) Hex Head Cap Screws (1/4-20x1-1/2 50pcs) 1/4-20x1-1/2 50pcs auspowers_batchone Upgrade Secure Barbed Design -1 4 20 x 1 1 2" Hex Head Bolts, Grade 8 (1 2" to 4" Lengths in Listing) Hex Head Cap Screws (1 4 20x1 1 2 50pcs) 1 4 20 x 1 1 2" Hex Head Cap Screw, Grade 8 hardened bolt. Pack of 50. USS Coarse thread. Very good strength. Great for heavy machinery and automotive applications. Where high strength is a must! Product Features Alloy Steel, Quenched and Tempered Minimum Tensile Strength of 150,000 PSI 1 4 20 x 1 1 2" USS Coarse Thread Yellow Chromate Zinc