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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 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: Letter F, 1-1/4" 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-192783

Also listed as: 953 HSFSS · 953-HSFSS

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: Letter F, 1-1/4" Overall Lg
Category
High-Speed Steel Threaded-Shank Drill Bits
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953HSFSS
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: 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. The overall length is 1-1/4 inches, and the manufacturer part number is 953HSFSS.

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 metalworking and aerospace applications. Its threaded shank (1/4"-28) allows secure mounting in tool holders, while the 0.2570-inch Letter F diameter and black oxide HSS construction suit high-tolerance hole making. It meets NAS 965 Type B specifications for demanding industrial tasks.

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

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (MPN 953HSFSS) has a 0.2570-inch diameter, 1/4"-28 thread size, and 1-1/4-inch overall length. It is made of black oxide high-speed steel and complies with NAS 965 Type B. The Letter F size is ideal for precision drilling in aerospace and metal fabrication.

Where to buy ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide?

3G Electric supplies ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 953HSFSS or other sizes. We provide reliable procurement for aerospace and manufacturing needs.

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

Select based on required hole diameter and thread compatibility. The Letter F bit (0.2570-inch) with 1/4"-28 shank fits standard tool holders. Ensure your application matches the black oxide HSS material for ferrous metals. For NAS 965 Type B compliance, verify the part number 953HSFSS. 3G Electric can assist with sizing and sourcing.

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: Letter F, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HSFLS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter F, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HSFLS)
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
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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
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HSBSS)
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter B, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HSBSS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HSDSS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: Letter D, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HSDSS)
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS1/4LS)
ROCKY MOUNTAIN TWIST
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: 1/4", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS1/4SS)
ROCKY MOUNTAIN TWIST
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS1/4SS)

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