5/16-18 4-FLUTE NUT TAP 5-1/2"5/16-18 4-FLUTE NUT TAP 5-1/2" 384425, .240 SHANK DIAMETER, 5-1/2" OAL These NUT TAPS were initially designed for tapping nuts and have a long thread length. They are furnished in a longer length, and thread chamfer, in a H3 thread limit only. The shank diameter is smaller than the taps minor diameter to allow the tap to pass thru several nuts for gang tapping. They normally also feature an extended square length for extra gripping strength.
Metalworking & Cutting Tools Boring Bars & Heads Shanks for Boring Heads - NT5/16-18 - 5/16-18 4-Flute NUT TAP 5-1/2"
100% Satisfaction Guarantee: At Mansion Tools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.