Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Jobber Length Drill Bit: 3/64", 135° Point, TiN-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: 3/64", 135° Point, TiN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (3/64", MPN 41603) is a TiN-Coated HSS, NAS 907 Type B drill bit with a 135° point. It is designed for aerospace applications, meeting NAS specifications for high-speed…

SKU 3G-OTH-190308

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 3/64", 135° Point, TiN-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 — 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
41603
Type
TiN-Coated HSS, NAS 907 Type B
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 (3/64", MPN 41603) is a TiN-Coated HSS, NAS 907 Type B drill bit with a 135° point. It is designed for aerospace applications, meeting NAS specifications for high-speed steel jobber-length drills.

Frequently Asked Questions

What is the CHICAGO-LATROBE 41603 drill bit used for?

The CHICAGO-LATROBE 41603 is a NAS 907 Type B jobber-length drill bit designed for aerospace applications. Its 3/64" diameter, 135° split point, and TiN coating enable precise drilling in high-strength alloys and stainless steels, meeting stringent aerospace specifications.

What are the specifications of the CHICAGO-LATROBE 41603 drill bit?

The CHICAGO-LATROBE 41603 is a TiN-coated HSS jobber-length drill bit with a 3/64" diameter (0.0469"), 135° point angle, and NAS 907 Type B configuration. It is designed for aerospace-grade materials and has a manufacturer part number 41603.

Where to buy CHICAGO-LATROBE 41603 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 41603 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 on this NAS-spec aerospace tool.

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

For aerospace drilling, select a CHICAGO-LATROBE bit matching the material and hole tolerance. The 41603's 135° split point reduces thrust and walking, while TiN coating extends tool life in tough alloys. Always verify NAS 907 Type B compliance for critical airframe applications.

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: #73, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41743)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #73, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41743)
CHICAGO-LATROBE Jobber Length Drill Bit: 1/32", 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41602)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1/32", 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41602)
CHICAGO-LATROBE Jobber Length Drill Bit: #56, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41726)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #56, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41726)
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41606)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 3/32", 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41606)
CHICAGO-LATROBE Jobber Length Drill Bit: #60, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41730)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #60, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41730)
CHICAGO-LATROBE Jobber Length Drill Bit: #57, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41727)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #57, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41727)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: Letter X, 135° Split Point, TiAlN-Coated HSS (MPN 42794)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter X, 135° Split Point, TiAlN-Coated HSS (MPN 42794)
CHICAGO-LATROBE Jobber Length Drill Bit: #69, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41739)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #69, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41739)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41615)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41615)
CHICAGO-LATROBE Jobber Length Drill Bit: #22, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45692)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #22, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45692)
CHICAGO-LATROBE Jobber Length Drill Bit: 2.7 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45819)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 2.7 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45819)
CHICAGO-LATROBE Jobber Length Drill Bit: 1/4", 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43616)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1/4", 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43616)
CHICAGO-LATROBE Jobber Length Drill Bit: #19, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45689)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #19, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45689)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter H, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41778)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter H, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41778)