We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 9/16" 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: Letter C, 9/16" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C is a high-speed steel threaded-shank drill bit with a 0.2420-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS…

SKU 3G-OTH-192780

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: Letter C, 9/16" Overall Lg
Category
High-Speed Steel Threaded-Shank Drill Bits
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953HSCST
Type
Black Oxide HSS
Overall Lg
9/16"
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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 high-speed steel threaded-shank drill bit with a 0.2420-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type B, with an overall length of 9/16" (MPN 953HSCST).

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 used for?

This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank provides secure retention in tool holders. The black oxide HSS construction offers wear resistance and reduced friction, making it suitable for drilling into steel, aluminum, and other metals.

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

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (MPN 953HSCST) has a 0.2420-inch diameter (Letter C), a 1/4"-28 thread size, and an overall length of 9/16". It is made of black oxide high-speed steel and conforms to NAS 965 Type B.

Where to buy the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit worldwide?

3G Electric supplies the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct NAS 965 Type B bit for your precision drilling needs.

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

Select the bit by matching the thread size (1/4"-28) and diameter (0.2420 inches) to your tool holder and hole requirements. Confirm the overall length (9/16") fits your application. The black oxide HSS finish is ideal for general-purpose drilling in metals.

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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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HSCLS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2420; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter C, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HSCSS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2420; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSBST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2380; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSBST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2380; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSDST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2460; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter A, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSAST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2340; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter A, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSAST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2340; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSFST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2570; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSFST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2570; attr1235683: NAS 965 Type B.

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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #25, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS25SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1495; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 1/2" Overall Lg, Black Oxide HSS (MPN 953HS7/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1094; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 7/64", 1/2" Overall Lg, Black Oxide HSS (MPN 953HS7/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1094; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #3, 5/8" Overall Lg, Black Oxide HSS, NAS 965 Type B (MPN 953HS3ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2130; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #3, 5/8" Overall Lg, Black Oxide HSS, NAS 965 Type B (MPN 953HS3ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2130; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #36, 1" Overall Lg, Black Oxide HSS, NAS 965 Type B (MPN 953HS36SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1065; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #36, 1" Overall Lg, Black Oxide HSS, NAS 965 Type B (MPN 953HS36SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1065; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS13/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2031; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 13/64", 5/8" Overall Lg, Black Oxide HSS (MPN 953HS13/64ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2031; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #4, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS4SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2090; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #4, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS4SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.2090; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #30, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS30SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1285; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #30, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS30SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1285; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #8, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS8LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1990; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #8, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS8LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1990; attr1235683: NAS 965 Type B.