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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 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: #27, 2-1/8" Overall Lg

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27 is a high-speed steel threaded-shank drill bit with a 0.1440-inch diameter and a 1/4"-28 thread size. It features a 2-1/8" overall length, black oxide finish…

SKU 3G-OTH-192817

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded Shank Drill Bit: #27, 2-1/8" Overall Lg
Category
High-Speed Steel Threaded-Shank Drill Bits
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
953HS27LS
Type
Black Oxide HSS
Overall Lg
2-1/8"
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ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27 is a high-speed steel threaded-shank drill bit with a 0.1440-inch diameter and a 1/4"-28 thread size. It features a 2-1/8" overall length, black oxide finish, and meets NAS 965 Type B specifications. This bit is designed for precision drilling applications requiring a threaded shank for secure tool holding.

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 #27 used for?

This drill bit is used for precision drilling in metal and composite materials where a threaded shank provides secure tool holding. It is common in aerospace and industrial manufacturing applications that require NAS 965 Type B compliance.

What are the specifications of the ROCKY MOUNTAIN TWIST #27 drill bit?

The ROCKY MOUNTAIN TWIST #27 drill bit has a 0.1440-inch diameter, 1/4"-28 thread size, and 2-1/8" overall length. It is made of high-speed steel with a black oxide finish and meets NAS 965 Type B specifications. The manufacturer part number is 953HS27LS.

Where to buy the ROCKY MOUNTAIN TWIST #27 drill bit worldwide?

3G Electric supplies the ROCKY MOUNTAIN TWIST #27 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 based on required hole diameter, thread size, and material. The #27 bit has a 0.1440-inch diameter with a 1/4"-28 threaded shank. Ensure the shank matches your tool holder and that the bit meets NAS 965 Type B for aerospace-grade precision.

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: #27, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS27SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS27SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 13/32" Overall Lg, Black Oxide HSS (MPN 953HS27VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 13/32" Overall Lg, Black Oxide HSS (MPN 953HS27VS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 9/16" Overall Lg, Black Oxide HSS (MPN 953HS27ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #27, 9/16" Overall Lg, Black Oxide HSS (MPN 953HS27ST). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1440; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #28, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS28LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1405; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #28, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS28LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1405; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS26LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1470; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26, 2-1/8" Overall Lg, Black Oxide HSS (MPN 953HS26LS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1470; attr1235683: NAS 965 Type B.
ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS26SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1470; attr1235683: NAS 965 Type B.
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ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #26, 1-1/4" Overall Lg, Black Oxide HSS (MPN 953HS26SS). Key specifications — attr1235676: ROCKY MOUNTAIN TWIST; attr1235682: 1/4"-28; attr1235677: 0.1470; 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: #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.
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: Letter C, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSCST). 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 C, 9/16" Overall Lg, Black Oxide HSS (MPN 953HSCST). 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: 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.
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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.
ROCKY MOUNTAIN TWIST
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.