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CHICAGO-LATROBE Jobber Length Drill Bit: #28, 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: #28, 135° Split Point, TiAlN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (#28, MPN 42698) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a…

SKU 3G-OTH-190222

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #28, 135° Split Point, TiAlN-Coated HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42698
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

The CHICAGO-LATROBE Jobber Length Drill Bit (#28, MPN 42698) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.1405 inches, this tool is designed for precision drilling in demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #28 used for?

This TiAlN-coated HSS drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling precise holes in high-strength alloys and stainless steels.

What are the specifications of the CHICAGO-LATROBE 42698 drill bit?

The CHICAGO-LATROBE 42698 is a #28 jobber length drill bit with a 0.1405 inch diameter, 135° split point, and TiAlN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 42698 or other NAS-spec tooling.

How to select the right jobber length drill bit for aerospace materials?

For aerospace alloys, choose a bit with a 135° split point to reduce thrust and walking, and a TiAlN coating for heat resistance. Ensure it meets NAS 907 Type B if required. CHICAGO-LATROBE offers such bits in fractional, wire, and letter sizes.

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: #29, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42699)
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CHICAGO-LATROBE Jobber Length Drill Bit: #29, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42699)
CHICAGO-LATROBE Jobber Length Drill Bit: #27, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42697)
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CHICAGO-LATROBE Jobber Length Drill Bit: #27, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42697)
CHICAGO-LATROBE Jobber Length Drill Bit: #37, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42707)
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CHICAGO-LATROBE Jobber Length Drill Bit: #37, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42707)
CHICAGO-LATROBE Jobber Length Drill Bit: #24, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42694)
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CHICAGO-LATROBE Jobber Length Drill Bit: #24, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42694)
CHICAGO-LATROBE Jobber Length Drill Bit: #19, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42689)
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CHICAGO-LATROBE Jobber Length Drill Bit: #19, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42689)
CHICAGO-LATROBE Jobber Length Drill Bit: #26, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42696)
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CHICAGO-LATROBE Jobber Length Drill Bit: #26, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42696)

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