A good range of sizes and thread types to meet the needs of most tradesmen, mechanics, and do-it-yourselfers
Manufactured to exacting specification from long-lasting tool steel Titanium nitride coated for superior performance Titanium-Coated Drill Bits: #43, #36, #29, #25, #21, #7 Titanium-Coated Taps: 4-40 NC, 6-32 NC, 8-32 NC, 10-24 NC, 10-32 NF, 1/4-20 NC
Tap Wrench: 1/8 in (3 mm) to 1/4 in (19 mm) Thread types: NC (USS) National Coarse is a general-purpose threading used on appliances and machines, NF (SAE) National Fine is used for automotive parts requiring extreme pressures
Taps are sized with two numbers: The first number signifies the screw or bolt diameter, the second is the number of threads per inch