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CHICAGO-LATROBE Jobber Length Drill Bit: #23, 135° Split Point, TiAlN-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: #23, 135° Split Point, TiAlN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #23 is a NAS-Spec High-Speed Steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.1540…

SKU 3G-OTH-190264

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #23, 135° Split Point, TiAlN-Coated HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42693
Type
TiAlN-Coated HSS, NAS 907 Type B
Split Point
135°

Technical Documents

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit #23 is a NAS-Spec High-Speed Steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.1540 inches (MPN 42693), it is designed for precision drilling in demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE #23 jobber length drill bit 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 TiAlN coating extends tool life in high-temperature alloys. It is suitable for drilling precision holes in materials such as stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 42693 drill bit?

The CHICAGO-LATROBE 42693 is a #23 jobber length drill bit with a 0.1540-inch diameter, 135° split point, and TiAlN-coated high-speed steel construction. It meets NAS 907 Type B standards for aerospace drilling. The split point geometry enables self-centering and reduces burr formation.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times. We source genuine OEM tooling to meet aerospace and industrial specifications.

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

Select a drill bit that matches the material and hole tolerance required. For aerospace alloys, choose a TiAlN-coated HSS bit with a 135° split point, like the CHICAGO-LATROBE #23, to reduce heat and improve chip evacuation. Verify the NAS 907 Type B designation for compliance with aerospace standards.

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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CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42691)
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