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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #19, 1-1/4" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #19, 1-1/4" Overall Lg

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 black oxide finish and meets NAS 965 Type D…

SKU 3G-OTH-195589

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: #19, 1-1/4" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO19SS
Type
Black Oxide Cobalt
Overall Lg
1-1/4"

Technical Documents

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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 black oxide finish and meets NAS 965 Type D specifications, with an overall length of 1-1/4 inches (MPN 953CO19SS).

Frequently Asked Questions

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

This cobalt drill bit is designed for drilling precision holes in hard metals and aerospace alloys. Its threaded shank (1/4"-28) allows secure mounting in tool holders for high-torque applications. It meets NAS 965 Type D specifications, making it suitable for aircraft maintenance and industrial machining where exact hole diameters (0.1660 inch) are critical.

What are the specifications of the ROCKY MOUNTAIN TWIST #19 drill bit?

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #19 (MPN 953CO19SS) has a 0.1660-inch diameter, 1/4"-28 thread size, and 1-1/4 inch overall length. It features a black oxide cobalt finish and meets NAS 965 Type D standards. This combination provides wear resistance and dimensional accuracy for demanding drilling tasks.

Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the #19 cobalt drill bit (MPN 953CO19SS) or other sizes in the series.

How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?

Select based on thread size (1/4"-28 for this #19 bit), diameter (0.1660 inch), and material compatibility. Cobalt bits suit hard metals; black oxide reduces friction. Ensure the shank matches your tool holder's thread. For NAS 965 applications, verify Type D compliance. 3G Electric can help match your requirements to the correct ROCKY MOUNTAIN TWIST part number.

Used in

Common applications for ROCKY MOUNTAIN TWIST
Aerospace assembly — Rocky Mountain Twist NAS 965 Type D cobalt drill bits for drilling titanium airframe components
Automotive production line — Rocky Mountain Twist HSS threaded-shank drill bits for quick-change drilling in aluminum engine blocks
Heavy equipment maintenance — Rocky Mountain Twist cobalt drill bits for drilling hardened steel in field repair kits
Precision machining — Rocky Mountain Twist HSS drill bits in wire gauge sizes for jig and fixture drilling
Portable drilling operations — Rocky Mountain Twist threaded-shank drill bits for use with magnetic drill stands in structural steel fabrication

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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