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CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, TiAlN-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: #4, 135° Split Point, TiAlN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit #4 is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type J compliance. With a…

SKU 3G-OTH-200289

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #4, 135° Split Point, TiAlN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
44974
Type
TiAlN-Coated Cobalt, NAS 907 Type J
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit #4 is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiAlN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type J compliance. With a diameter of 0.2090 inches (MPN 44974), this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #4 used for?

This drill bit is designed for aerospace drilling applications requiring NAS 907 Type J compliance. Its 135° split point and TiAlN-coated cobalt construction enable precise hole creation in hardened materials, reducing walking and extending tool life.

What are the specifications of the CHICAGO-LATROBE 44974 drill bit?

The CHICAGO-LATROBE 44974 is a #4 jobber length drill bit with a 0.2090-inch diameter, 135° split point, and TiAlN-coated cobalt material. It meets NAS 907 Type J specifications for aerospace use, ensuring durability and precision in demanding environments.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide, handling full logistics and customs clearance. As a global industrial distributor since 1990, we source and deliver NAS-spec tooling like the 44974 to aerospace facilities, with lead time on request.

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

Select based on material hardness and hole tolerance. The 44974's TiAlN coating and 135° split point suit high-strength alloys. Verify NAS 907 Type J compliance for aerospace specs. For guidance, contact 3G Electric; we provide technical support without stock-status claims.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #14, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44984)
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CHICAGO-LATROBE Jobber Length Drill Bit: #14, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44984)
CHICAGO-LATROBE Jobber Length Drill Bit: #1, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44971)
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CHICAGO-LATROBE Jobber Length Drill Bit: #1, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44971)
CHICAGO-LATROBE Jobber Length Drill Bit: #44, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45014)
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CHICAGO-LATROBE Jobber Length Drill Bit: #44, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45014)
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CHICAGO-LATROBE Jobber Length Drill Bit: #5, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44975)
CHICAGO-LATROBE Jobber Length Drill Bit: #24, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44994)
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CHICAGO-LATROBE Jobber Length Drill Bit: #24, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 44994)
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CHICAGO-LATROBE Jobber Length Drill Bit: #34, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45004)

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