Filter & Sort. Plated Countersunk Head Metal Tek Screws - 1000 Box. Zenith 12 - 14 x 20mm Galvanised Hex Head With Seal Metal Screws - 100 Pack. Buildex 14 - 10 x 25mm Climaseal Hex Head With Seal Metal Cladding Tek Screws - 50 Pack. Zenith 8G x 32mm Stainless Steel Countersunk Head Sheet Metal Screws - 50 Pack.5.0 x 100mm Screw Tite CounteYellow (Pack of 100) ... Add to Compare. Tongue-Tite Plus Tri-Lock Tongue and Groove Screw 3.5 x 45mm Star Drive A2 Stainless Steel (Pack of 200) £ 10.50 £8.75 As low as £9.36. Add to Basket ... tek screws, nuts & bolts, washers, coach bolts, coach screws, thunderbolts, through ...Truss Head Tapping Screw Pieces Per Package】. TRUSCO NAKAYAMA. [Features] This screw for use with thin steel plates features a head with a large outer diameter, and can be fastened just with a pilot hole—no tap or nut required. (B43 Type) · Product is made of stainless steel, which is corrosion resistant.fastener supply twomon types of self-tapping screws. GB845 for pan head screws, GB846 for countersunk head screws. Simply put, GB845 has a flat head, which will be exposed after tightening, suitable for adding some parts to furniture. Get Price.