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

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter T, MPN 43790) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction with a 135° split point and NAS 907 Type B…

SKU 3G-OTH-190049

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter T, 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
43790
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 T, MPN 43790) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiCN-coated HSS construction with a 135° split point and NAS 907 Type B compliance. Its key specification is a 0.3580-inch diameter. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist expertise 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 43790 used for?

This TiCN-coated HSS drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like stainless steel and titanium alloys in aircraft manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 43790 drill bit?

The CHICAGO-LATROBE 43790 is a Letter T jobber length drill bit with a 0.3580-inch diameter, 135° split point, and TiCN-coated high-speed steel. It meets NAS 907 Type B specifications for aerospace drilling, offering enhanced wear resistance and chip evacuation.

Where to buy CHICAGO-LATROBE 43790 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 43790 drill bit 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 correct CHICAGO-LATROBE drill bit for aerospace work?

Select based on material hardness and hole tolerance. The 43790's TiCN coating suits abrasive alloys, while the 135° split point aids self-centering. For NAS 907 applications, verify the Letter T size (0.3580 in) matches your fastener or reaming allowance. Consult 3G Electric for application guidance.

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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