Screw drive style: hex socket drive, also known as internal hex drive, hex size: 5/16″. Hex Socket Drive, also known as Internal hex drive, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench.
This is a Iexcell M3 x 20/25/30/35/40 10.9 Hex Socket Button Head – ISO 7380 – 200 pcs – New *** All items are shipped in a bubble mailer or box depending on need or amount of items. Shipping cost can be combined across auctions.. *** *** All...
