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

The CLEVELAND Jobber Length Drill Bit, Letter J (MPN C11638), is an NAS-spec high-speed steel drill bit with a 135° split point and NAS 907 Type B designation. It features a 0.2770-inch diameter, designed for…

SKU 3G-OTH-189898

Also listed as: C 11638 · C-11638

Brand
CLEVELAND
Item
Jobber Length Drill Bit: Letter J, 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
C11638
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 J (MPN C11638), is an NAS-spec high-speed steel drill bit with a 135° split point and NAS 907 Type B designation. It features a 0.2770-inch diameter, designed for aerospace applications. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the CLEVELAND Jobber Length Drill Bit C11638 used for?

The CLEVELAND C11638 is a Letter J jobber-length drill bit designed for aerospace applications. It meets NAS 907 Type B specifications and is used for drilling precise holes in high-strength materials. Its 135° split point reduces walking and improves accuracy, making it suitable for demanding industrial environments.

What are the specifications of the CLEVELAND C11638 drill bit?

The CLEVELAND C11638 is a Letter J jobber-length drill bit with a 0.2770-inch diameter. It features a 135° split point and is made from high-speed steel (HSS) conforming to NAS 907 Type B standards. The manufacturer part number is C11638, and it is designed for aerospace-grade drilling tasks.

Where to buy CLEVELAND C11638 drill bits worldwide?

CLEVELAND C11638 drill bits are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this NAS-spec bit to your location.

How to select the right CLEVELAND jobber drill bit for aerospace work?

Select a CLEVELAND jobber drill bit like the C11638 by matching the letter size (Letter J, 0.2770 inch) to your hole diameter requirement. Ensure the bit meets NAS 907 Type B standards for aerospace use. The 135° split point aids in self-centering on curved surfaces, reducing the need for pilot holes.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND Jobber Length Drill Bit: Letter I, 135° Split Point, HSS, NAS 907 Type B (MPN C11637)
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CLEVELAND Jobber Length Drill Bit: Letter I, 135° Split Point, HSS, NAS 907 Type B (MPN C11637)
CLEVELAND Jobber Length Drill Bit: Letter L, 135° Split Point, HSS, NAS 907 Type B (MPN C11640)
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CLEVELAND Jobber Length Drill Bit: Letter L, 135° Split Point, HSS, NAS 907 Type B (MPN C11640)
CLEVELAND Jobber Length Drill Bit: Letter P, 135° Split Point, HSS, NAS 907 Type B (MPN C11644)
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CLEVELAND Jobber Length Drill Bit: Letter P, 135° Split Point, HSS, NAS 907 Type B (MPN C11644)
CLEVELAND Jobber Length Drill Bit: Letter R, 135° Split Point, HSS, NAS 907 Type B (MPN C11646)
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CLEVELAND Jobber Length Drill Bit: Letter R, 135° Split Point, HSS, NAS 907 Type B (MPN C11646)
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CLEVELAND Jobber Length Drill Bit: Letter S, 135° Split Point, HSS, NAS 907 Type B (MPN C11647)
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CLEVELAND Jobber Length Drill Bit: Letter T, 135° Split Point, HSS, NAS 907 Type B (MPN C11648)

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