52510 Type 135-TW Screw Machine Length Bright Finish NAS 907C Heavy-Duty 135Â degree Split Point Drill Bit (6 pack) 0.6250" ID commonly referred to as "pin

commonly referred to as "pin and block" type

These assemblies eliminate the need to install an additional elbow fitting

Click here for spec sheet: SBP Spec Sheet

but works best with the CEG® style tip

52510 Type 135-TW Screw Machine Length Bright Finish NAS 907C Heavy-Duty 135Â degree Split Point Drill Bit (6 pack) 0.6250" ID commonly referred to as "pinA sturdy drill for use in portable power drilling. Accurate centering, fast penetration. Ideal for thin metal work. Sizes smaller than #52 are not split pointed. NOTE: For letter sizes, see 135 AG page 36 Bright finish accurate centering, fast penetration. Click Here for product catalog Proudly Manufactured in the U. S. A