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CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 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: 31/64", 135° Split Point, TiAlN-Coated HSS

3G Electric supplies the CHICAGO-LATROBE Jobber Length Drill Bit, 31/64" (0.4844), a NAS-Spec High-Speed Steel drill bit for aerospace applications. This TiAlN-Coated HSS bit features a 135° Split Point and meets NAS…

SKU 3G-OTH-189882

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 31/64", 135° Split Point, TiAlN-Coated HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42631
Type
TiAlN-Coated HSS, NAS 907 Type B
Split Point
135°

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

Product Description

3G Electric supplies the CHICAGO-LATROBE Jobber Length Drill Bit, 31/64" (0.4844), a NAS-Spec High-Speed Steel drill bit for aerospace applications. This TiAlN-Coated HSS bit features a 135° Split Point and meets NAS 907 Type B standards (MPN 42631). As a global industrial solutions provider, we interpret demand and deliver genuine equipment across 14 departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE 42631 drill bit used for?

This NAS 907 Type B jobber-length drill bit is designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking, while the TiAlN coating extends tool life in tough materials like stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 42631?

The CHICAGO-LATROBE 42631 is a 31/64" (0.4844") jobber-length drill bit with a 135° split point, TiAlN-coated HSS, and meets NAS 907 Type B standards. It is engineered for aerospace-grade drilling applications.

Where to buy CHICAGO-LATROBE 42631 worldwide?

3G Electric supplies the CHICAGO-LATROBE 42631 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS-spec drill bit to your facility, no matter the location.

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

For aerospace work, choose a NAS 907 Type B bit like the 42631 with a 135° split point and TiAlN coating. Match the diameter (31/64") to your hole size and ensure the HSS substrate suits the material hardness. 3G Electric can help confirm compatibility.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 15/32", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42630)
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CHICAGO-LATROBE Jobber Length Drill Bit: 29/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42629)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
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CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
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