CLEVELANDNAS-Spec Cobalt Aircraft-Extension Drill Bits
CLEVELAND Aircraft Extension Drill: #21, 12" Overall Lg, 135° Split Point
The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit, model NAS 907 Type J. It features a 0.1590-inch diameter, 12-inch overall length, and a 135° split point with a…
SKU 3G-OTH-198870
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit, model NAS 907 Type J. It features a 0.1590-inch diameter, 12-inch overall length, and a 135° split point with a straw/bronze cobalt finish (MPN C08175).
Used in
Common applications for CLEVELANDAerospace manufacturing — CLEVELAND NAS-spec aircraft extension drills for drilling fastener holes in aluminum airframe panels.
Bridge construction — CLEVELAND Morse-taper shank bridge reamers for enlarging bolt holes in structural steel.
Automotive production — CLEVELAND chucking reamers for precision finishing of engine component bores.
General metalworking — CLEVELAND single-flute countersinks for deburring holes in mild steel parts.
Tool and die making — CLEVELAND interchangeable-pilot counterbores for creating recesses for socket head cap screws.
Maintenance repair — CLEVELAND cobalt aircraft extension drills for drilling hardened steel in equipment repairs.
CLEVELAND Products
3G Electric supplies CLEVELAND nas-spec cobalt aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
