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CHICAGO-LATROBE Jobber Length Drill Bit: Letter B, 135° Split Point - 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 B, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a…

SKU 3G-OTH-190335

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter B, 135° Split Point
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
42772
Type
TiAlN-Coated HSS
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 B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a 0.2380-inch diameter. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 42772 used for?

This TiAlN-coated HSS drill bit is designed for aerospace and NAS-spec applications, drilling precise holes in high-strength alloys. The 135° split point reduces walking and thrust, making it suitable for CNC and manual operations on materials up to 850 °C hardness.

What are the specifications of the CHICAGO-LATROBE 42772 drill bit?

The CHICAGO-LATROBE 42772 is a jobber-length drill bit with a Letter B diameter of 0.2380 inches, 135° split point, and TiAlN coating on HSS substrate. It meets NAS specifications for aerospace drilling, offering extended tool life in stainless steel and titanium.

Where to buy CHICAGO-LATROBE 42772 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 42772 drill bits worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace tool.

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

For aerospace alloys, choose a TiAlN-coated HSS bit like the CHICAGO-LATROBE 42772 with a 135° split point to reduce thrust and heat. Match the diameter (0.2380 inches for Letter B) to your hole tolerance. Use rigid setups and coolant for optimal performance in titanium or Inconel.

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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