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CHICAGO-LATROBE NAS-Spec High-Speed Steel Screw-Machine Length - NAS-Spec High-Speed Steel Screw-Machine Length Drill Bit Sets for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Screw-Machine Length Drill Bit Sets for Aerospace

CHICAGO-LATROBE NAS-Spec High-Speed Steel Screw-Machine Length

The CHICAGO-LATROBE Screw Machine Drill Bit Set (MPN 69889) is a 15-piece NAS-spec high-speed steel screw-machine length drill bit set for aerospace, meeting NAS 907 Type C. It includes sizes from 1/16" to 1/2" by…

SKU 3G-OTH-194465

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel Screw-Machine Length
Part Number
69889
Category
NAS-Spec High-Speed Steel Screw-Machine Length Drill Bit Sets for Aerospace
Available to Order
Also known as:69889CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
69889
Type
1/16" to 1/2" by 32nds
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Screw Machine Drill Bit Set (MPN 69889) is a 15-piece NAS-spec high-speed steel screw-machine length drill bit set for aerospace, meeting NAS 907 Type C. It includes sizes from 1/16" to 1/2" by 32nds with a 135° split point, and comes in a metal index.

Frequently Asked Questions

What is the CHICAGO-LATROBE Screw Machine Drill Bit Set used for?

This 15-piece set is designed for aerospace applications requiring NAS 907 Type C compliance. It is used for precision drilling in metal, plastic, and composite materials where screw-machine length bits provide rigidity and accuracy. The 135° split point reduces walking and improves hole quality.

What are the specifications of the CHICAGO-LATROBE 69889 drill bit set?

The set includes 15 high-speed steel bits from 1/16" to 1/2" by 32nds, each with a 135° split point. It meets NAS 907 Type C standards and comes in a metal index. The bits are screw-machine length, ideal for rigid setups in aerospace and industrial drilling.

Where to buy CHICAGO-LATROBE drill bit sets worldwide?

3G Electric supplies the CHICAGO-LATROBE 69889 drill bit set worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this NAS-spec set.

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

For aerospace drilling, choose a set that meets NAS 907 Type C, like the CHICAGO-LATROBE 69889. Ensure sizes cover your range (1/16" to 1/2") and the 135° split point for self-centering. Screw-machine length bits offer rigidity for precision holes in tight-tolerance materials.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel screw-machine length drill bit sets 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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