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

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter S, MPN 43789) 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-190339

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter S, 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
43789
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 S, MPN 43789) 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 0.3480 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 43789 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, while the TiCN coating extends tool life in high-strength alloys. It is suitable for precision hole drilling in aircraft-grade materials.

What are the specifications of the CHICAGO-LATROBE 43789 drill bit?

The CHICAGO-LATROBE 43789 is a jobber length drill bit with a letter S size (0.3480 inch diameter). It features a 135° split point, TiCN-coated high-speed steel, and meets NAS 907 Type B standards. The manufacturer part number is 43789.

Where to buy CHICAGO-LATROBE 43789 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 43789 drill bits worldwide. As a global industrial equipment distributor since 1990, 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 that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 43789. The 135° split point and TiCN coating improve performance in tough alloys. Match the letter size (S = 0.3480 inch) to your hole diameter requirement.

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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