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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 1-1/4" Overall Lg - High-Speed Steel Threaded-Shank Drill Bits
ROCKY MOUNTAIN TWISTHigh-Speed Steel Threaded-Shank Drill Bits

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

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4" is a high-speed steel threaded-shank drill bit with a 0.2500" diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type B…

SKU 3G-OTH-192767

Also listed as: 953HS14SS · 953HS1 4SS · 953HS1-4SS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 1/4", 1-1/4" Overall Lg
Category
High-Speed Steel 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
953HS1/4SS
Type
Black Oxide HSS
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: 1/4" is a high-speed steel threaded-shank drill bit with a 0.2500" diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965 Type B specifications, with an overall length of 1-1/4" (MPN 953HS1/4SS).

Frequently Asked Questions

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

This drill bit is used for precision drilling in metalworking and aerospace applications. Its threaded shank (1/4"-28) allows secure mounting in tool holders, while the black oxide HSS construction provides wear resistance. It meets NAS 965 Type B specifications, making it suitable for high-tolerance industrial tasks.

What are the specifications of the ROCKY MOUNTAIN TWIST 953HS1/4SS drill bit?

The ROCKY MOUNTAIN TWIST 953HS1/4SS is a high-speed steel drill bit with a 0.2500" diameter, 1/4"-28 threaded shank, and 1-1/4" overall length. It features a black oxide finish and complies with NAS 965 Type B standards. The manufacturer part number is 953HS1/4SS.

Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 953HS1/4SS or other threaded shank drill bits for your operations.

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

Select based on thread size (1/4"-28 for this bit), diameter (0.2500"), and material compatibility. For aerospace or high-precision work, ensure the bit meets NAS 965 Type B specs. The black oxide finish aids chip flow. Always match the shank to your tool holder's thread pattern.

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 high-speed steel 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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Cross-referenced by specification & description
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 13/32" Overall Lg, Black Oxide HSS (MPN 953HS1/4VS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS3/8SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 9/16" Overall Lg, Black Oxide HSS (MPN 953HS1/4ST)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 9/16" Overall Lg, Black Oxide HSS (MPN 953HS1/4ST)
This high-speed steel drill bit features a threaded shank for secure mounting in tool holders. The black oxide finish provides wear resistance and reduces friction during operation. With a 1/8" diameter and 1-1/4" overall length, it is suitable for precision drilling in metal and composite materials
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This high-speed steel drill bit features a threaded shank for secure mounting in tool holders. The black oxide finish provides wear resistance and reduces friction during operation. With a 1/8" diameter and 1-1/4" overall length, it is suitable for precision drilling in metal and composite materials
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS5/16SS)
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This high-speed steel drill bit features a threaded shank for secure retention in tool holders, suitable for precision drilling in metalworking. The black oxide finish provides increased lubricity and corrosion resistance. With a 7/32" diameter and 1-1/4" overall length, it is designed for use in drilling operations requiring accurate hole placement
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This high-speed steel drill bit features a threaded shank for secure retention in tool holders, suitable for precision drilling in metalworking. The black oxide finish provides increased lubricity and corrosion resistance. With a 7/32" diameter and 1-1/4" overall length, it is designed for use in drilling operations requiring accurate hole placement

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