Amazon.com: uxcell 3/8"-16 UNC Tap and Die Set, HSS Machine Thread Tap with Round Threading Die, Right Hand : Industrial & Scientific
3/8-16 x 1.1/4 inch UNC Cap Head Screws (ANSI B18.3) - A4 Stainless Steel: Accu.co.uk: Precision Screws
Amazon.com: 3/8-16 x 1/2" Button Head Socket Cap Screws, 304 Stainless Steel 18-8, Bright Finish, Fully Threaded, Coarse Thread UNC, 15 PCS : Industrial & Scientific
Amazon.com: Burkit 3/8"-16 UNC Round Threading Die, 3/8 x 16 UNC Machine Thread Die Right Hand : Industrial & Scientific
Amazon.com: Square Head Set Screw, Cone Point, 3/8-16 x 2 1/2", Alloy Steel Case Hardened, Black Oxide, Full Thread (Quantity: 700) Coarse Thread, 3/8 inch Square Head Bolts, Length: 2 1/2 inch : Industrial & Scientific