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ROCKY MOUNTAIN TWIST #19 Cobalt Threaded-Shank Drill Bit - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST #19 Cobalt Threaded-Shank Drill Bit

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #19 is a cobalt threaded-shank drill bit with a 0.1660-inch diameter and a 1/4"-28 thread size. It features a 2-1/8" overall length, black oxide cobalt construction…

SKU 3G-OTH-195590

Brand
ROCKY MOUNTAIN TWIST
Item
#19 Cobalt Threaded-Shank Drill Bit
Part Number
953CO19LS
Category
Cobalt Threaded-Shank Drill Bits
Available to Order
Also known as:953CO19LSROCKY MOUNTAIN TWIST
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO19LS
Type
Black Oxide Cobalt
Overall Lg
2-1/8"

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ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #19 is a cobalt threaded-shank drill bit with a 0.1660-inch diameter and a 1/4"-28 thread size. It features a 2-1/8" overall length, black oxide cobalt construction, and meets NAS 965 Type D specifications (MPN 953CO19LS).

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #19 used for?

This cobalt threaded-shank drill bit is designed for precision drilling in aerospace and industrial applications where a threaded shank provides secure retention in tool holders. The #19 size (0.1660 inch) and NAS 965 Type D compliance make it suitable for demanding metalworking tasks.

What are the specifications of the ROCKY MOUNTAIN TWIST 953CO19LS drill bit?

The ROCKY MOUNTAIN TWIST 953CO19LS is a #19 drill bit with a 0.1660-inch diameter, 1/4\"-28 threaded shank, and 2-1/8\" overall length. It is made from black oxide cobalt and meets NAS 965 Type D specifications for aerospace-grade drilling.

Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS 965 Type D compliant bit to your facility, ensuring you get the right tool for precision drilling applications.

How to select the correct threaded shank drill bit for aerospace work?

Select a bit that matches your required hole diameter and thread size, such as the ROCKY MOUNTAIN TWIST #19 with 1/4\"-28 shank. Ensure it meets applicable standards like NAS 965 Type D for aerospace use. Cobalt construction and black oxide finish improve heat resistance and tool life in hard materials.

Used in

Common applications for ROCKY MOUNTAIN TWIST
Aerospace assembly — NAS 965 Type B compliant threaded-shank drill bits for drilling rivet holes in aluminum and titanium structures.
Automotive maintenance — #11 and #12 threaded-shank drill bits for repairing threaded holes and drilling out broken fasteners in engine blocks.
General metal fabrication — 1/4" diameter threaded-shank drill bits for creating precise holes in steel plates and profiles.
CNC machining — fractional and numbered threaded-shank drill bits mounted in quick-change tool holders for high-volume drilling.
Tool and die making — 5/32" and 7/32" threaded-shank drill bits for drilling water lines and ejector pin holes in mold bases.
Maintenance and repair — #35 and #4 threaded-shank drill bits for precision drilling in confined spaces using portable magnetic drill presses.
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ROCKY MOUNTAIN TWIST Products

3G Electric supplies ROCKY MOUNTAIN TWIST cobalt threaded-shank drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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