We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CHICAGO-LATROBE Jobber Length Drill Bit: 23/64", 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: 23/64", 135° Split Point, TiAlN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 42623) is a 23/64" NAS-spec high-speed steel drill bit with a 135° split point and TiAlN coating, meeting NAS 907 Type B requirements. 3G Electric interprets this…

SKU 3G-OTH-189868

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 23/64", 135° Split Point, TiAlN-Coated HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42623
Type
TiAlN-Coated HSS, NAS 907 Type B
Split Point
135°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 42623) is a 23/64" NAS-spec high-speed steel drill bit with a 135° split point and TiAlN coating, meeting NAS 907 Type B requirements. 3G Electric interprets this demand and sources the exact OEM part, supporting aerospace and industrial applications across 14 departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE 42623 drill bit used for?

The CHICAGO-LATROBE 42623 is a NAS 907 Type B jobber-length drill bit designed for aerospace drilling applications. Its 135° split point reduces walking, and the TiAlN coating extends tool life in high-temperature alloys. It is commonly used on CNC machines for precision hole-making in aircraft-grade materials.

What are the specifications of the CHICAGO-LATROBE 42623 drill bit?

The CHICAGO-LATROBE 42623 is a 23/64" (0.3594 inch) jobber-length drill bit with a 135° split point and TiAlN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace use. The manufacturer part number is 42623, and it is designed for drilling in tough alloys.

Where to buy CHICAGO-LATROBE 42623 drill bits worldwide?

You can source CHICAGO-LATROBE 42623 drill bits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine CHICAGO-LATROBE tooling for aerospace applications.

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

For aerospace drilling, select a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 42623. The 135° split point prevents wandering on curved surfaces, and TiAlN coating handles high heat. Match the diameter (23/64") to your hole tolerance and use proper speeds/feeds for titanium or stainless steel.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 7/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42607)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42607)
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42625)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42625)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
CHICAGO-LATROBE Jobber Length Drill Bit: 3/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42603)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 3/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42603)
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42613)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42613)
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42629)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42629)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: #16, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45686)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #16, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45686)
CHICAGO-LATROBE Jobber Length Drill Bit: #18, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41688)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #18, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41688)
CHICAGO-LATROBE Jobber Length Drill Bit: #47, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43717)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #47, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43717)
CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42683)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42683)
CHICAGO-LATROBE Jobber Length Drill Bit: 2.1 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45812)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 2.1 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45812)
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45784)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45784)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter R, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41788)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter R, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41788)
CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45843)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45843)