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

CHICAGO-LATROBE Jobber Length Drill Bit: #42, 135° Split Point, TiN-Coated Cobalt - 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: #42, 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit #42 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0935-inch diameter (MPN 54077). Designed to NAS-Spec for aerospace applications, it is…

SKU 3G-OTH-200074

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #42, 135° Split Point, TiN-Coated Cobalt
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
54077
Type
TiN-Coated Cobalt, NAS 907 Type J
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 #42 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.0935-inch diameter (MPN 54077). Designed to NAS-Spec for aerospace applications, it is supplied by 3G Electric, which interprets customer demand and delivers genuine industrial equipment across 14 departments—including cutting tools—with specialist depth in combustion, pumps, and controls as an authorised distributor.

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 Jobber Length Drill Bit #42 used for?

This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. It drills precise holes in hardened steels, stainless steels, and titanium alloys. The 135° split point reduces walking and eliminates the need for center punching, making it ideal for high-tolerance manufacturing and maintenance operations.

What are the specifications of the CHICAGO-LATROBE 54077 drill bit?

The CHICAGO-LATROBE 54077 is a #42 jobber length drill bit with a 0.0935-inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications for aerospace use. The TiN coating extends tool life and reduces friction when drilling tough materials like titanium and stainless steel.

Where to buy CHICAGO-LATROBE 54077 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 54077 drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this NAS-spec aerospace drill bit to any international destination.

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

Select based on material hardness and hole tolerance. For titanium and stainless steel, choose TiN-coated cobalt bits like the CHICAGO-LATROBE 54077 with a 135° split point. Verify the NAS 907 Type J specification for aerospace compliance. Match the wire size (#42 = 0.0935 in) to your required hole diameter and ensure proper RPM and coolant for optimal performance.

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: #41, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54076). Key specifications — attr1229327: 0.0960.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #41, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54076). Key specifications — attr1229327: 0.0960.
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54078). Key specifications — attr1229327: 0.0890.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54078). Key specifications — attr1229327: 0.0890.
CHICAGO-LATROBE Jobber Length Drill Bit: #44, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54079). Key specifications — attr1229327: 0.0860.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #44, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54079). Key specifications — attr1229327: 0.0860.
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54092). Key specifications — attr1229327: 0.0635.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54092). Key specifications — attr1229327: 0.0635.
CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54088). Key specifications — attr1229327: 0.0760.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54088). Key specifications — attr1229327: 0.0760.
CHICAGO-LATROBE Jobber Length Drill Bit: #40, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54075). Key specifications — attr1229327: 0.0980.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #40, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54075). Key specifications — attr1229327: 0.0980.

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.