Aircraft Extension Drill Bit, 1/4", High Speed Steel, 2-3/4" FluteNAS907B (National Aerospace Standard) M7 high speed steel Right hand cutting direction, standard spiral 135 split point, self centring eliminates walking Black oxide finish ; Application ; Portable or machine drilling in hard steels, stainless steel and other hard materials. Packaging and product are both recyclable Specifications Material High Speed Steel Drill Size 1 4" Decimal Drill Size 0. 25" Overall Length 12" Flute Length 2 3 4" Drill Type

Back Thickness

Brush Area Length

Up To 8 hours of Runtime On An M18™ REDLITHIUM™ XC5

The narrow kerf design delivers maximum efficiency for longer run-time

underfloor chains

Slotted oil adjustment screw under filter cap

4 1/2" to 5"

1 (111457) o-ring

Lightweight and portable for maintenance

1/8" Reducing sleeve

Enables welding on stainless steel

Working Air Pressure