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CHICAGO-LATROBE Jobber Length Drill Bit: #57, 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: #57, 135° Point, TiN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #57 (MPN 41727) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, NAS 907 Type B design, and a 135° point. With a diameter of…

SKU 3G-OTH-190033

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #57, 135° Point, TiN-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
41727
Type
TiN-Coated HSS, NAS 907 Type B
Point
135°

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit #57 (MPN 41727) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, NAS 907 Type B design, and a 135° point. With a diameter of 0.0430 inches, it meets stringent aerospace standards for precision drilling.

Frequently Asked Questions

What is the CHICAGO-LATROBE #57 jobber length drill bit used for?

This TiN-coated HSS drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its #57 size (0.0430 inch) and 135° split point make it suitable for drilling precise holes in hardened steels and alloys used in aircraft manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 41727 drill bit?

The CHICAGO-LATROBE 41727 is a #57 jobber length drill bit with a 0.0430 inch diameter, 135° point angle, and TiN-coated high-speed steel construction. It meets NAS 907 Type B specifications for aerospace drilling applications, providing wear resistance and extended tool life.

Where to buy CHICAGO-LATROBE NAS 907 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE NAS 907 Type B drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 41727 and other aerospace-grade tooling.

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

For aerospace drilling, select a bit that meets NAS 907 specifications like the CHICAGO-LATROBE 41727. Match the diameter (0.0430 inch for #57) to your hole size, use TiN coating for heat resistance, and ensure a 135° split point reduces walking on curved surfaces common in aircraft structures.

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: #59, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41729)
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This #54 jobber-length drill bit is made from TiN-coated high-speed steel and meets NAS 907 Type B specifications. The 135° point geometry reduces thrust during drilling. It is used for precision holemaking in aerospace structural components and other high-strength alloy applications
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This #54 jobber-length drill bit is made from TiN-coated high-speed steel and meets NAS 907 Type B specifications. The 135° point geometry reduces thrust during drilling. It is used for precision holemaking in aerospace structural components and other high-strength alloy applications
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CHICAGO-LATROBE Jobber Length Drill Bit: #58, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41728)
This #77 jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° point. It conforms to NAS 907 Type B specifications. Used for precision drilling in aerospace applications, it is suitable for high-strength alloys and materials requiring tight tolerances
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This #77 jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° point. It conforms to NAS 907 Type B specifications. Used for precision drilling in aerospace applications, it is suitable for high-strength alloys and materials requiring tight tolerances

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