550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.3438 in dia Cutting, 4.75 in OAL, 11/32 in

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Product Description

Manufactured to NAS 907 Type J geometry aerospace specifications. Heavy-duty construction for drilling in tough, high-tensile, and work-hardening materials. Manufactured from premium cobalt high-speed steel. Straw finish adds lubricity and easily identifies cobalt drills. 135° P3 split point is self-centering for reduced thrust and easier penetration. Sizes smaller than 0.0625 inch do not have split point.

Specifications

Applicable Materials Alloy Steel; Stainless Steel; Titanium; Tool Steel
Bit Length 4.75 in
Coating Straw
Cutting Diam [Nom] 0.3438 in
Dia. [Nom] 11/32 in
Finish Straw
Flute Length 3.4375 in
Material HSS-CO 8% (M42)
No. of Flutes 2
Overall Length [Nom] 4.75 in
Point Angle 135° RHS/RHC
Point Shape Split
Shank Type Straight
Type Style 550
Prop65 WARNING: This product can expose you to LEAD, NICKEL AND COBALT, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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