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CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiCN-Coated HSS - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiCN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter I, MPN 43779) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction and a 135° split point per NAS 907 Type B. With a…

SKU 3G-OTH-190463

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter I, 135° Split Point, TiCN-Coated HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
43779
Type
TiCN-Coated HSS, NAS 907 Type B
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 (Letter I, MPN 43779) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction and a 135° split point per NAS 907 Type B. With a diameter of 0.2720 inches, this jobber-length bit is designed for precision drilling in demanding 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 43779 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point and TiCN-coated HSS construction enable precise drilling in high-strength alloys, stainless steel, and titanium, reducing thrust and improving chip evacuation.

What are the specifications of the CHICAGO-LATROBE 43779 drill bit?

The CHICAGO-LATROBE 43779 is a jobber-length drill bit with a Letter I size (0.2720 inch diameter), 135° split point, and TiCN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling, offering wear resistance and extended tool life.

Where to buy CHICAGO-LATROBE 43779 worldwide?

3G Electric supplies the CHICAGO-LATROBE 43779 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 43779. Match the diameter (0.2720 inch for Letter I) to your hole size, and use TiCN coating for heat resistance in titanium or stainless steel. A 135° split point reduces walking and thrust.

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 high-speed steel 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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