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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 1-1/4" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5, 1-1/4" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #5 is a cobalt threaded-shank drill bit with a 0.2055-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D…

SKU 3G-OTH-195653

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: #5, 1-1/4" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Local availability & support

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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
953CO5SS
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: #5 is a cobalt threaded-shank drill bit with a 0.2055-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D specification, with an overall length of 1-1/4 inches (MPN 953CO5SS).

Frequently Asked Questions

What is a ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit used for?

This #5 cobalt drill bit is designed for precision drilling in aerospace and industrial applications requiring a threaded shank. The 1/4"-28 thread allows secure mounting in tool holders, while the black oxide cobalt material provides heat resistance and durability for tough materials like stainless steel.

What are the specifications of the ROCKY MOUNTAIN TWIST #5 drill bit?

The ROCKY MOUNTAIN TWIST 953CO5SS has a 0.2055-inch diameter, 1/4"-28 thread size, and 1-1/4" overall length. It features a black oxide cobalt finish and conforms to NAS 965 Type D specification. This threaded-shank drill bit is built for precision and durability in demanding environments.

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 bit (MPN 953CO5SS) to your facility. Contact us for availability and lead time.

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

Select based on thread size (1/4"-28 for this #5 bit), diameter (0.2055 inches), and material compatibility. Cobalt black oxide bits suit harder materials. Ensure the shank matches your tool holder's thread. For NAS 965 Type D compliance, verify the overall length (1-1/4") meets your application depth requirements.

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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