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CLEVELAND Jobber Length Drill Bit: Letter K, 135° Split Point, HSS - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CLEVELANDNAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CLEVELAND Jobber Length Drill Bit: Letter K, 135° Split Point, HSS

The CLEVELAND Jobber Length Drill Bit, Letter K (MPN C11639), is an NAS-spec high-speed steel drill bit with a 135° split point and NAS 907 Type B designation. It features a 0.2810-inch diameter, designed for…

SKU 3G-OTH-190119

Also listed as: C 11639 · C-11639

Brand
CLEVELAND
Item
Jobber Length Drill Bit: Letter K, 135° Split Point, HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C11639
Type
HSS, NAS 907 Type B
Split Point
135°

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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Jobber Length Drill Bit, Letter K (MPN C11639), is an NAS-spec high-speed steel drill bit with a 135° split point and NAS 907 Type B designation. It features a 0.2810-inch diameter, designed for aerospace applications requiring precision and durability.

Frequently Asked Questions

What is the CLEVELAND C11639 jobber length drill bit used for?

The CLEVELAND C11639 is a high-speed steel jobber length drill bit with a 135° split point, designed for aerospace applications per NAS 907 Type B. It drills precise holes in hard metals and alloys, commonly used in aircraft manufacturing and maintenance where tight tolerances are critical.

What are the specifications of the CLEVELAND C11639 drill bit?

The CLEVELAND C11639 is a letter K jobber length drill bit with a 0.2810 inch diameter, 135° split point, and high-speed steel construction. It meets NAS 907 Type B specifications for aerospace drilling. The manufacturer part number is C11639.

Where to buy CLEVELAND C11639 drill bits worldwide?

3G Electric supplies the CLEVELAND C11639 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine CLEVELAND tooling and support procurement for aerospace and manufacturing operations.

How to select the correct jobber length drill bit for aerospace work?

For aerospace drilling, select a bit that meets NAS 907 Type B specifications, like the CLEVELAND C11639. Ensure the diameter matches your hole size (0.2810 inch for letter K), use a 135° split point to reduce walking, and choose high-speed steel for durability in hard alloys. Always verify the manufacturer part number.

Used in

Common applications for CLEVELAND
Aerospace 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 high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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