We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 47731) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° split point and Straw/Bronze Cobalt construction. With a diameter of 0.4844…

SKU 3G-OTH-200210

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 31/64", 135° Split Point
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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

CHICAGO-LATROBE
Manufacturer Part Number
47731
Type
Straw/Bronze Cobalt
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

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 47731) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° split point and Straw/Bronze Cobalt construction. With a diameter of 0.4844 inches, this bit is designed for demanding aerospace applications. 3G Electric interprets your demand for specialized tooling, sourcing this genuine industrial bit across our broad supply network, with specialist expertise in cutting tools and precision equipment.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHICAGO-LATROBE 47731 drill bit used for?

The CHICAGO-LATROBE 47731 is a NAS-Spec cobalt jobber-length drill bit designed for aerospace applications. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like stainless steel and titanium. The straw/bronze cobalt finish provides heat resistance and extended tool life.

What are the specifications of the CHICAGO-LATROBE 47731 drill bit?

The CHICAGO-LATROBE 47731 is a jobber-length drill bit with a 31/64" diameter (0.4844 inches). It features a 135° split point and a straw/bronze cobalt finish. The manufacturer part number is 47731, and it meets NAS-Spec standards for aerospace-grade drilling.

Where to buy CHICAGO-LATROBE 47731 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 47731 drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-Spec cobalt drill bit to aerospace and manufacturing facilities globally.

How to select the right CHICAGO-LATROBE drill bit for aerospace work?

For aerospace drilling, select a cobalt jobber-length bit like the CHICAGO-LATROBE 47731 with a 135° split point to reduce walking on curved surfaces. Match the diameter (31/64") to your fastener or hole requirement. The straw/bronze cobalt finish withstands high temperatures, ensuring consistent performance in titanium and stainless steel.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec cobalt 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47729). Key specifications — attr1229327: 0.4531.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47729). Key specifications — attr1229327: 0.4531.
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47727). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47727). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, Straw/Bronze Cobalt (MPN 47728). Key specifications — attr1229327: 0.4375.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, Straw/Bronze Cobalt (MPN 47728). Key specifications — attr1229327: 0.4375.
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47725). Key specifications — attr1229327: 0.3906.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, Straw/Bronze Cobalt (MPN 47725). Key specifications — attr1229327: 0.3906.
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47730). Key specifications — attr1229327: 0.4688.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47730). Key specifications — attr1229327: 0.4688.
CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47726). Key specifications — attr1229327: 0.4063.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47726). Key specifications — attr1229327: 0.4063.

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980). Key specifications — attr1229327: 0.2362.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980). Key specifications — attr1229327: 0.2362.
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089). Key specifications — attr1229327: 0.0730.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54089). Key specifications — attr1229327: 0.0730.
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54091). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45021). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45021). Key specifications — attr1229327: 0.0670.
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54040). Key specifications — attr1229327: 0.1285.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54040). Key specifications — attr1229327: 0.1285.
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47632). Key specifications — attr1229327: 0.0938.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47632). Key specifications — attr1229327: 0.0938.
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54071). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 27/64", 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54071). Key specifications — attr1229327: 0.4219.
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47714). Key specifications — attr1229327: 0.2188.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Straw/Bronze Cobalt (MPN 47714). Key specifications — attr1229327: 0.2188.