Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
CLEVELAND Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point, HSS - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CLEVELAND Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point, HSS

The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, meeting NAS 907 Type B standards (MPN C13143). It features a 0.1590-inch diameter, 6-inch overall length, and…

SKU 3G-OTH-208004

Brand
CLEVELAND
Item
Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point, HSS
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CLEVELAND
Manufacturer Part Number
C13143
Type
HSS, NAS 907 Type B
Overall Lg
6"
Split Point
135°
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CLEVELAND Aircraft Extension Drill: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, meeting NAS 907 Type B standards (MPN C13143). It features a 0.1590-inch diameter, 6-inch overall length, and a 135° split point, constructed from high-speed steel.

Frequently Asked Questions

What is the CLEVELAND Aircraft Extension Drill #21 used for?

The CLEVELAND Aircraft Extension Drill #21 is used for drilling precision holes in aircraft structures and components. Its 6-inch overall length and 135° split point allow access to tight spaces, while the NAS 907 Type B specification ensures compliance with aerospace standards.

What are the specifications of the CLEVELAND C13143 drill bit?

The CLEVELAND C13143 is a #21 aircraft extension drill bit with a 0.1590-inch diameter, 6-inch overall length, and 135° split point. It is made of high-speed steel and meets NAS 907 Type B standards. The manufacturer part number is C13143.

Where to buy CLEVELAND aircraft extension drills worldwide?

You can source CLEVELAND aircraft extension drills worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right CLEVELAND aircraft extension drill?

To select the right CLEVELAND aircraft extension drill, match the diameter and overall length to your application. The #21 size (0.1590-inch) is suitable for standard aerospace holes. Ensure the drill meets NAS 907 Type B for compliance. 3G Electric can help source the correct part.

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 aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
CLEVELAND Aircraft Extension Drill: #20, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13142). Key specifications — attr1234097: 0.1610; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #20, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13142). Key specifications — attr1234097: 0.1610; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #41, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13163). Key specifications — attr1234097: 0.0960; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #41, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13163). Key specifications — attr1234097: 0.0960; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #27, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13149). Key specifications — attr1234097: 0.1440; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #27, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13149). Key specifications — attr1234097: 0.1440; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #29, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13151). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #29, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13151). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #50, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13172). Key specifications — attr1234097: 0.0700; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #50, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13172). Key specifications — attr1234097: 0.0700; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13162). Key specifications — attr1234097: 0.0980; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #40, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13162). Key specifications — attr1234097: 0.0980; attr1234190: NAS 907 Type B.

More from CLEVELAND

View all CLEVELAND parts →
CLEVELAND Aircraft Extension Drill: 9/64", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13106). Key specifications — attr1234097: 0.1406; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 9/64", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13106). Key specifications — attr1234097: 0.1406; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: 15/32", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13120). Key specifications — attr1234097: 0.4688; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 15/32", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13120). Key specifications — attr1234097: 0.4688; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13179). Key specifications — attr1234097: 0.1094; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13179). Key specifications — attr1234097: 0.1094; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #36, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13158). Key specifications — attr1234097: 0.1065; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #36, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13158). Key specifications — attr1234097: 0.1065; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: 1/8", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13105). Key specifications — attr1234097: 0.1250; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 1/8", 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13105). Key specifications — attr1234097: 0.1250; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #25, 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13236). Key specifications — attr1234097: 0.1495; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #25, 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13236). Key specifications — attr1234097: 0.1495; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: 23/64", 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13195). Key specifications — attr1234097: 0.3594; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 23/64", 12" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13195). Key specifications — attr1234097: 0.3594; attr1234190: NAS 907 Type B.
CLEVELAND Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13130). Key specifications — attr1234097: 0.1990; attr1234190: NAS 907 Type B.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, HSS, NAS 907 Type B (MPN C13130). Key specifications — attr1234097: 0.1990; attr1234190: NAS 907 Type B.