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

CLEVELAND Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point - NAS-Spec Cobalt Aircraft-Extension Drill Bits
CLEVELANDNAS-Spec Cobalt Aircraft-Extension Drill Bits

CLEVELAND Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point

The CLEVELAND Aircraft Extension Drill: #31 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D24, MPN C08111) with a 0.1200-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt…

SKU 3G-OTH-198858

Brand
CLEVELAND
Item
Aircraft Extension Drill: #31, 6" Overall Lg, 135° Split Point
Category
NAS-Spec Cobalt 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
C08111
Type
Straw/Bronze Cobalt
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: #31 is an NAS-Spec Cobalt Aircraft-Extension Drill Bit (SKU 439D24, MPN C08111) with a 0.1200-inch diameter, 6-inch overall length, 135° split point, and a straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications.

Frequently Asked Questions

What is the CLEVELAND Aircraft Extension Drill #31 used for?

The CLEVELAND Aircraft Extension Drill #31 is used for precision drilling in aerospace and industrial applications where extended reach is required. Its 135° split point reduces walking, and the straw/bronze cobalt finish provides heat resistance for tough materials like stainless steel and titanium.

What are the specifications of the CLEVELAND C08111 drill bit?

The CLEVELAND C08111 is a #31 aircraft extension drill bit with a 0.1200-inch diameter, 6-inch overall length, 135° split point, and straw/bronze cobalt finish. It conforms to NAS 907 Type J specifications and is designed for high-performance drilling in aerospace-grade materials.

Where to buy CLEVELAND aircraft extension drills worldwide?

3G Electric supplies CLEVELAND aircraft extension drills worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine CLEVELAND parts like the C08111 and deliver them to your facility, ensuring compliance with NAS specifications for aerospace applications.

How to select the right CLEVELAND aircraft extension drill bit?

To select the right CLEVELAND aircraft extension drill bit, match the diameter (e.g., #31 at 0.1200 inches) and overall length (6 inches) to your hole depth and material. The 135° split point and cobalt finish suit hard metals; verify NAS 907 Type J compliance for aerospace standards. 3G Electric can help confirm fitment.

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 cobalt 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: #23, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08148). Key specifications — attr1234097: 0.1540; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #23, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08148). Key specifications — attr1234097: 0.1540; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #34, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08109). Key specifications — attr1234097: 0.1110; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #34, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08109). Key specifications — attr1234097: 0.1110; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #32, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08110). Key specifications — attr1234097: 0.1160; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #32, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08110). Key specifications — attr1234097: 0.1160; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #26, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08145). Key specifications — attr1234097: 0.1470; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #26, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08145). Key specifications — attr1234097: 0.1470; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #29, 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08171). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #29, 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08171). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #22, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08149). Key specifications — attr1234097: 0.1570; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #22, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08149). Key specifications — attr1234097: 0.1570; attr1234190: NAS 907 Type J.

More from CLEVELAND

View all CLEVELAND parts
CLEVELAND Aircraft Extension Drill: #41, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08102). Key specifications — attr1234097: 0.0960; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #41, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08102). Key specifications — attr1234097: 0.0960; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #40, 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08167). Key specifications — attr1234097: 0.0980; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #40, 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08167). Key specifications — attr1234097: 0.0980; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08138). Key specifications — attr1234097: 0.1590; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08138). Key specifications — attr1234097: 0.1590; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #39, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08103). Key specifications — attr1234097: 0.0995; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #39, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08103). Key specifications — attr1234097: 0.0995; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08168). Key specifications — attr1234097: 0.1094; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 7/64", 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08168). Key specifications — attr1234097: 0.1094; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: 7/32", 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08184). Key specifications — attr1234097: 0.2188; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: 7/32", 12" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08184). Key specifications — attr1234097: 0.2188; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #29, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08112). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #29, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08112). Key specifications — attr1234097: 0.1360; attr1234190: NAS 907 Type J.
CLEVELAND Aircraft Extension Drill: #24, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08147). Key specifications — attr1234097: 0.1520; attr1234190: NAS 907 Type J.
CLEVELAND
CLEVELAND Aircraft Extension Drill: #24, 6" Overall Lg, 135° Split Point, Straw/Bronze Cobalt (MPN C08147). Key specifications — attr1234097: 0.1520; attr1234190: NAS 907 Type J.