Inton Combination Drill and Tap Bit 6-32nc 8-32nc 10-32nc 10-24nc 12-24nc 1/4-20nc Set of 6 Material: High Speed Steel,Quantity:1 Set (6 Pcs) (Top Five Review have chance to get 50% discount, see review then contact u about the discount). Total Length: 58mm (Approx.),Shank: 1/4" (6.35mm) hex shank Thread (Inch): 6-32NC (3.5mm), 8-32NC( 4.2mm), 10-32NC( 5mm), 10-24NC ( 5mm), 12-24NC( 5.7mm), 1/4-2 Bigest Discount & INSURE HIGH QUALITY ;Multicoated optics guarantee superior light transmission and brightnessIdeal for auto repair and machinery where metric threads are specified,Suitable for soft tapping met