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ROCKY MOUNTAIN TWIST #25 Cobalt Threaded-Shank Drill Bit - Cobalt Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTCobalt Threaded-Shank Drill Bits

ROCKY MOUNTAIN TWIST #25 Cobalt Threaded-Shank Drill Bit

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #25 is a cobalt threaded-shank drill bit with a 0.1495-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D, with…

SKU 3G-OTH-195572

Brand
ROCKY MOUNTAIN TWIST
Item
#25 Cobalt Threaded-Shank Drill Bit
Part Number
953CO25SS
Category
Cobalt Threaded-Shank Drill Bits
Available to Order
Also known as:953CO25SSROCKY MOUNTAIN TWIST
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953CO25SS
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: #25 is a cobalt threaded-shank drill bit with a 0.1495-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type D, with an overall length of 1-1/4 inches (MPN 953CO25SS).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #25 used for?

This cobalt drill bit is designed for drilling precision holes in hardened materials, commonly used in aerospace and industrial manufacturing. Its threaded shank (1/4"-28) ensures secure mounting in tool holders, reducing slippage during high-torque operations. The black oxide finish adds heat resistance and lubricity.

What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit #25?

The bit has a 0.1495-inch diameter (#25), 1-1/4" overall length, and a 1/4"-28 threaded shank. It is made of black oxide cobalt and conforms to NAS 965 Type D. The manufacturer part number is 953CO25SS. These specs ensure compatibility with standard tool holders and demanding drilling tasks.

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 equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the #25 bit (MPN 953CO25SS).

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

Match the bit diameter to your hole size requirement—here #25 equals 0.1495 inches. Ensure the threaded shank (1/4"-28) fits your tool holder. For hardened materials, choose cobalt with black oxide finish. Confirm NAS 965 Type D compliance if aerospace specs are needed. 3G Electric can help verify compatibility.

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
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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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This #40 cobalt threaded-shank drill bit has a 0.0980-inch diameter and 1/2-inch overall length. It features a 1/4"-28 thread shank for secure tool holding in precision drilling operations. The black oxide finish and NAS 965 Type D compliance suit it for high-tolerance hole-making in metals
ROCKY MOUNTAIN TWIST
This #40 cobalt threaded-shank drill bit has a 0.0980-inch diameter and 1/2-inch overall length. It features a 1/4"-28 thread shank for secure tool holding in precision drilling operations. The black oxide finish and NAS 965 Type D compliance suit it for high-tolerance hole-making in metals

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