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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 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: 3/8", 1-1/4" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (SKU 953HS3/8SS, MPN 953HS3/8SS) is a high-speed steel threaded-shank drill bit with a 3/8" (0.3750") diameter. It features a 1/4"-28 thread size and conforms to NAS…

SKU 3G-OTH-192775

Also listed as: 953HS38SS · 953HS3 8SS · 953HS3-8SS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 3/8", 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
953HS3/8SS
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 (SKU 953HS3/8SS, MPN 953HS3/8SS) is a high-speed steel threaded-shank drill bit with a 3/8" (0.3750") diameter. It features a 1/4"-28 thread size and conforms to NAS 965 Type B, with a 1-1/4" overall length and black oxide finish.

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST threaded shank drill bit used for?

This drill bit is designed for precision drilling in metal and composite materials, commonly used in aerospace and industrial manufacturing. Its threaded shank (1/4"-28) allows secure mounting in tool holders, reducing slippage during high-torque operations. The black oxide HSS construction provides heat resistance and extended tool life.

What are the specifications of the ROCKY MOUNTAIN TWIST 953HS3/8SS drill bit?

The ROCKY MOUNTAIN TWIST 953HS3/8SS is a high-speed steel drill bit with a 3/8" (0.3750") diameter, 1/4"-28 threaded shank, and 1-1/4" overall length. It features a black oxide finish and conforms to NAS 965 Type B standards, ensuring compatibility with aerospace-grade tooling systems.

Where to buy ROCKY MOUNTAIN TWIST drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide, handling full logistics, customs clearance, and delivery to your facility. As a global industrial equipment distributor since 1990, we source genuine OEM parts like the 953HS3/8SS and manage international shipping. Contact us for availability and lead times.

How to select the correct threaded shank drill bit for aerospace applications?

Select a drill bit that matches your tool holder's thread size (e.g., 1/4"-28) and meets NAS 965 Type B specifications for aerospace use. Ensure the diameter (e.g., 3/8") suits your hole tolerance, and choose black oxide HSS for heat resistance. ROCKY MOUNTAIN TWIST bits are designed for these 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8LS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8ST)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/8", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS1/8SS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/8", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS1/8SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS1/4LS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS1/4LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/8", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS1/8LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/8", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS1/8LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS5/16SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS5/16SS)

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