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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 2-1/8" Overall Lg - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C is a cobalt threaded-shank drill bit with a 0.2420-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type D…

SKU 3G-OTH-195668

Also listed as: 953 COCLS · 953-COCLS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: Letter C, 2-1/8" Overall Lg
Category
Cobalt Threaded-Shank Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

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

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: Letter C is a cobalt threaded-shank drill bit with a 0.2420-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 2-1/8 inches (MPN 953COCLS).

Frequently Asked Questions

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

This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank is required for secure tool holding. It is designed for use with collet chucks or threaded tool holders, and the cobalt material handles high-heat materials like stainless steel and titanium.

What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit Letter C has a 0.2420-inch diameter, a 1/4"-28 thread size, and an overall length of 2-1/8 inches. It features a black oxide cobalt finish and meets NAS 965 Type D specifications. The manufacturer part number is 953COCLS.

Where to buy ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this NAS 965 Type D cobalt drill bit.

How to select the correct ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?

Select the bit by matching the thread size (1/4"-28) to your tool holder or collet chuck, and the diameter (0.2420 inches) to your hole requirement. For high-strength materials, the black oxide cobalt type provides heat resistance. Always verify the NAS 965 Type D specification for aerospace compliance.

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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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 1-1/4" Overall Lg, Black Oxide Cobalt (MPN 953COCSS)
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