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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
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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.

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 #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)
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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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