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CHICAGO-LATROBE Jobber Length Drill Bit: #68, 135° Split Point, Black Oxide 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: #68, 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (#68, MPN 44738) is a NAS-Spec High-Speed Steel tool for aerospace applications. It features a 135° split point and black oxide HSS construction, meeting NAS 907 Type B…

SKU 3G-OTH-190451

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #68, 135° Split Point, Black Oxide HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
44738
Type
Black Oxide 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 (#68, MPN 44738) is a NAS-Spec High-Speed Steel tool for aerospace applications. It features a 135° split point and black oxide HSS construction, meeting NAS 907 Type B standards. The bit diameter is 0.0310 inches.

Frequently Asked Questions

What is the CHICAGO-LATROBE #68 jobber length drill bit used for?

This #68 drill bit is designed for precision drilling in aerospace applications. Its 135° split point reduces walking and eliminates the need for a center punch, while the black oxide HSS construction provides heat resistance and lubricity for extended tool life in demanding materials.

What are the specifications of the CHICAGO-LATROBE 44738 drill bit?

The CHICAGO-LATROBE 44738 is a #68 jobber length drill bit with a 0.0310 inch diameter. It features a 135° split point, black oxide finish, and is made from high-speed steel. It meets NAS 907 Type B standards for aerospace drilling tasks.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this NAS 907 Type B bit for your aerospace operations.

How to select the correct jobber length drill bit for aerospace work?

For aerospace drilling, choose a bit that meets NAS specifications, like the CHICAGO-LATROBE 44738. Ensure the diameter matches your hole size (0.0310 inch for #68). A 135° split point and black oxide coating improve performance in hard metals. Always verify shank compatibility with your tool holder.

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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Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #66, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44736)
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CHICAGO-LATROBE Jobber Length Drill Bit: #78, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44748)
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CHICAGO-LATROBE Jobber Length Drill Bit: #70, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44740)
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CHICAGO-LATROBE Jobber Length Drill Bit: #80, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44750)

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