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

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F is a high-speed steel threaded-shank drill bit with a 0.2570-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and meets NAS 965…

SKU 3G-OTH-192784

Also listed as: 953 HSFLS · 953-HSFLS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: Letter F, 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
953HSFLS
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: Letter F is a high-speed steel threaded-shank drill bit with a 0.2570-inch 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 2-1/8 inches (MPN 953HSFLS).

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 is required for secure mounting in tool holders. It meets NAS 965 Type B specifications, making it suitable for high-tolerance hole-making in metal fabrication and maintenance tasks.

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

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (MPN 953HSFLS) has a 0.2570-inch diameter, a 1/4"-28 thread size, and an overall length of 2-1/8 inches. It is made from black oxide high-speed steel and meets NAS 965 Type B standards.

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

3G Electric supplies the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select this drill bit by matching the thread size (1/4"-28) and diameter (0.2570 inches) to your tool holder and hole requirements. Ensure the overall length (2-1/8 inches) suits your application depth. The black oxide HSS construction provides wear resistance for ferrous materials.

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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This high-speed steel drill bit features a threaded shank with 1/4"-28 thread for secure mounting in tool holders. The black oxide finish reduces friction and improves wear resistance. With a Letter F diameter of 0.2570 inches and 1-1/4" overall length, it is suited for precision drilling in metalworking applications. Meets NAS 965 Type B specifications
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This high-speed steel drill bit features a threaded shank with 1/4"-28 thread for secure mounting in tool holders. The black oxide finish reduces friction and improves wear resistance. With a Letter F diameter of 0.2570 inches and 1-1/4" overall length, it is suited for precision drilling in metalworking applications. Meets NAS 965 Type B specifications
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High-speed steel drill bit with a threaded shank for secure mounting in collets or chucks. Black oxide finish. Overall length 9/16 inch. Suitable for precision drilling in metalworking applications
This high-speed steel drill bit features a threaded shank for secure mounting in tool holders. With a 0.2610-inch diameter (Letter G) and 1/4"-28 thread, it is suited for precision drilling in metalworking applications. The black oxide finish provides increased lubricity and wear resistance. Meets NAS 965 Type B specifications
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This high-speed steel drill bit features a threaded shank for secure mounting in tool holders. With a 0.2610-inch diameter (Letter G) and 1/4"-28 thread, it is suited for precision drilling in metalworking applications. The black oxide finish provides increased lubricity and wear resistance. Meets NAS 965 Type B specifications
High-speed steel threaded-shank drill bit with a black oxide finish. Features a 0.2380-inch diameter, 1/4"-28 thread size, and 2-1/8" overall length. Designed for precision drilling in metalworking applications where a threaded shank ensures secure retention in tool holders
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High-speed steel threaded-shank drill bit with a black oxide finish. Features a 0.2380-inch diameter, 1/4"-28 thread size, and 2-1/8" overall length. Designed for precision drilling in metalworking applications where a threaded shank ensures secure retention in tool holders
High-speed steel drill bit with a 0.2460-inch diameter (Letter D) and 1/4"-28 threaded shank for secure mounting in tool holders. Black oxide finish reduces friction and improves wear resistance. Overall length of 2-1/8 inches. Suitable for precision drilling in metal fabrication and maintenance operations requiring high-tolerance hole-making
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High-speed steel threaded-shank drill bit with a 0.2420-inch diameter and 1/4-28 thread size. Black oxide finish. Overall length 2-1/8 inches. Meets NAS 965 Type B specifications. Used for precision drilling in applications requiring a threaded shank for secure mounting in tool holders
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High-speed steel threaded-shank drill bit with a 0.2420-inch diameter and 1/4-28 thread size. Black oxide finish. Overall length 2-1/8 inches. Meets NAS 965 Type B specifications. Used for precision drilling in applications requiring a threaded shank for secure mounting in tool holders

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