HSS, Tap, Size: 2-1/4-4-1/2, 2-1/4"-4-1/2 Plug Special Tap Decimal Equivalent: 2. They are also appropriate for tapping the vast majority of materials in through or blind holed conditions.
Sizes smaller than 1/16 and #52 have the 118 degree standard point. Ideal for portable or machine drilling. 7/16" HSS Heavy Duty Split Point Stub Drill Bit Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. The 135 degree split point is self-centering and reduces thrust.
Ball Lock Pins with T-grip, self-locking Note: all KIPP measurements are expressed in millimeters (mm) except for threads and bores on inch products, which are expressed in inches.
.Ball Lock Pins with T-grip, self-locking Note: all KIPP measurements are expressed in millimeters (mm) except for threads and bores on inch products, which are expressed in inches.