5/16" UNC HSS Bottoming Hand Tap Sutton BM80605 Satin aluminum Big Block Chevy

Satin aluminum Big Block Chevy 1969-up triple groove crankshaft pulley – long water pump lower

89mm Sutton Multipurpose TCT Holesaw

M12 x 40mm Set Screw 5 pcs M12 Hex nuts 10 pcs

Vernier calipers are manufactured from stainless steel with laser engraved graduations for clear reading

8mm x 250mm

5/16" UNC HSS Bottoming Hand Tap Sutton BM80605 Satin aluminum Big Block ChevyFor producing precision threads by hand tapping, ideal for finishing blind holes General purpose use Suitable for materials up to 1000N mm2. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 18 Overall length 72mm Cutting length 22mm Drill diameter 6. 6mm