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ROCKY MOUNTAIN TWIST Threaded-Shank Three-Flute Countersink, 1/4"-28 Thread - Threaded-Shank Three-Flute Countersinks
ROCKY MOUNTAIN TWISTThreaded-Shank Three-Flute Countersinks

ROCKY MOUNTAIN TWIST Threaded-Shank Three-Flute Countersink, 1/4"-28 Thread

The ROCKY MOUNTAIN TWIST Countersink (MPN 954HS5-10) 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-186103

Also listed as: 954HS510 · 954HS5 10

Brand
ROCKY MOUNTAIN TWIST
Item
Threaded-Shank Three-Flute Countersink, 1/4"-28 Thread
Part Number
954HS5-10
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
Also known as:954HS5-10ROCKY MOUNTAIN TWIST
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Technical Specifications

ROCKY MOUNTAIN TWIST
Manufacturer Part Number
954HS5-10
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 954HS5-10) 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° angle and a 1/4"-28 threaded shank.

Frequently Asked Questions

What is the ROCKY MOUNTAIN TWIST Countersink 954HS5-10 used for?

The ROCKY MOUNTAIN TWIST Countersink 954HS5-10 is used for creating a 100° chamfer around a pre-drilled hole, allowing screw heads to sit flush with or below the workpiece surface. It is commonly applied in metalworking, woodworking, and composite fabrication where a 1/4"-28 threaded shank is required.

What are the specifications of the ROCKY MOUNTAIN TWIST Countersink 954HS5-10?

The ROCKY MOUNTAIN TWIST Countersink 954HS5-10 has a 100° angle, 3 flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. The manufacturer part number is 954HS5-10. It is designed for threaded-shank applications requiring precise countersinking.

Where to buy the ROCKY MOUNTAIN TWIST Countersink 954HS5-10 worldwide?

You can source the ROCKY MOUNTAIN TWIST Countersink 954HS5-10 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this threaded-shank countersink.

How to select the correct ROCKY MOUNTAIN TWIST Countersink for a 1/4"-28 shank?

To select the correct ROCKY MOUNTAIN TWIST Countersink, verify the shank thread size matches your toolholder: the 954HS5-10 uses a 1/4"-28 thread. Ensure the body diameter (1/2 in) and flute count (3) suit your material and hole size. Always match the countersink angle (100°) to your fastener head angle.

Used in

Common applications for ROCKY MOUNTAIN TWIST
Aerospace assembly — NAS 965 Type B compliant threaded-shank drill bits for drilling rivet holes in aluminum and titanium structures.
Automotive maintenance — #11 and #12 threaded-shank drill bits for repairing threaded holes and drilling out broken fasteners in engine blocks.
General metal fabrication — 1/4" diameter threaded-shank drill bits for creating precise holes in steel plates and profiles.
CNC machining — fractional and numbered threaded-shank drill bits mounted in quick-change tool holders for high-volume drilling.
Tool and die making — 5/32" and 7/32" threaded-shank drill bits for drilling water lines and ejector pin holes in mold bases.
Maintenance and repair — #35 and #4 threaded-shank drill bits for precision drilling in confined spaces using portable magnetic drill presses.
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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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