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ROCKY MOUNTAIN TWIST Countersink: 100°, 3 Flute, 1/2 in Body Dia - Threaded-Shank Three-Flute Countersinks
ROCKY MOUNTAIN TWISTThreaded-Shank Three-Flute Countersinks

ROCKY MOUNTAIN TWIST Countersink: 100°, 3 Flute, 1/2 in Body Dia

The ROCKY MOUNTAIN TWIST Countersink (MPN 954HS5-40) is a threaded-shank three-flute countersink with a 100° angle, 3 flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. This tool is designed for…

SKU 3G-OTH-186096

Brand
ROCKY MOUNTAIN TWIST
Item
Countersink: 100°, 3 Flute, 1/2 in Body Dia
Category
Threaded-Shank Three-Flute Countersinks
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
954HS5-40
Shank Thread Size
1/4"-28
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ROCKY MOUNTAIN TWIST Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROCKY MOUNTAIN TWIST Countersink (MPN 954HS5-40) is a threaded-shank three-flute countersink with a 100° angle, 3 flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. This tool is designed for countersinking operations requiring a 100° included angle.

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 Countersink 954HS5-40 used for?

This countersink is used for creating a 100° conical recess in a workpiece to allow a fastener head to sit flush or below the surface. It is commonly applied in metalworking and aerospace assembly where precise countersinking with a 100° included angle is required.

What are the specifications of the ROCKY MOUNTAIN TWIST Countersink 954HS5-40?

The ROCKY MOUNTAIN TWIST Countersink (MPN 954HS5-40) has a 100° angle, 3 flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is a threaded-shank three-flute countersink designed for precision countersinking operations.

Where to buy the ROCKY MOUNTAIN TWIST Countersink 954HS5-40 worldwide?

You can source the ROCKY MOUNTAIN TWIST Countersink 954HS5-40 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.

How to select the correct ROCKY MOUNTAIN TWIST Countersink for your application?

Select a countersink by matching the included angle (100° for this model) to your fastener head angle, and ensure the shank thread size (1/4"-28) fits your holder. The 1/2 in body diameter and 3-flute design provide balanced cutting and chip evacuation for consistent results.

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 threaded-shank three-flute countersinks. 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 Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank (MPN 954HS5-10). Key specifications — Shank Thread Size: 1/4"-28; Brand: ROCKY MOUNTAIN TWIST.
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ROCKY MOUNTAIN TWIST Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank (MPN 954HS5-30). Key specifications — Shank Thread Size: 1/4"-28; Brand: ROCKY MOUNTAIN TWIST.
ROCKY MOUNTAIN TWIST Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Black Oxide Cobalt (MPN 954CO5-40). Key specifications — Shank Thread Size: 1/4"-28; Brand: ROCKY MOUNTAIN TWIST.
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