#19 Aircraft Extension Drill Bit 12" Overall Length HSS Made in USA
#19 x 12" Long Aircraft Extension Drill
High Speed Steel
2-1/8" Flute Length
.1660 Decimal Equiv
Product Detailed Description
#19 Aircraft Extension Drill Bit, 12" Overall Length
This Number 19 x 12" Aircraft Extension Drill Bit is made in the USA and is surface treated and manufactured to National Aerospace Standard 907. 135 degree split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion-resistant, reduces chip welding and improves chip flow. Sizes smaller than #52 and 1/16" have the 118 degree standard point.
This Drill America D/AA/CX1219 12" Number Size Aircraft Extension Drills USA MADE typically ships within 24 to 48 hours
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