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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 2-1/8" 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: 5/16", 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16" is a high-speed steel threaded-shank drill bit with a 0.3125-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965…

SKU 3G-OTH-192773

Also listed as: 953HS516LS · 953HS5 16LS · 953HS5-16LS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: 5/16", 2-1/8" 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
953HS5/16LS
Type
Black Oxide HSS
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: 5/16" is a high-speed steel threaded-shank drill bit with a 0.3125-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type B specification, with a 2-1/8" overall length (MPN 953HS5/16LS).

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST 5/16" threaded shank drill bit used for?

This high-speed steel drill bit with a 1/4"-28 threaded shank is designed for precision drilling in aerospace and industrial applications requiring NAS 965 Type B compliance. The black oxide finish reduces friction and extends tool life. 3G Electric supplies this bit for worldwide delivery.

What are the specifications of the ROCKY MOUNTAIN TWIST 953HS5/16LS drill bit?

The ROCKY MOUNTAIN TWIST 953HS5/16LS is a 5/16" diameter (0.3125") threaded shank drill bit with a 1/4"-28 thread size, 2-1/8" overall length, black oxide HSS construction, and meets NAS 965 Type B specification. 3G Electric sources this bit globally.

Where to buy ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits like the 953HS5/16LS to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NAS 965 Type B bit.

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

For aerospace applications, match the thread size (e.g., 1/4"-28) and shank type to your tool holder. Ensure the bit meets NAS 965 Type B specification for grip length and tolerance. The ROCKY MOUNTAIN TWIST 5/16" bit is a common choice. 3G Electric can help source the right bit.

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: 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)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS5/16ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS5/16ST)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/16", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS3/16LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/16", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS3/16LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS5/32LS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS5/32LS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS5/32SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/32", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS5/32SS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8ST)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 3/8", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS3/8ST)

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