High-Speed Twist Drill 28 2-7/8" (10pcs)
Manufacturer Resources
Product Specs
- Division:
- Electrical H1
- Pack Type:
- Pouch
- Sub Division:
- Electrical-E H2
- Department:
- Electrical
Metallics NHSD28 – Frequently Asked Questions
1) What size is the Metallics NHSD28 twist drill, and is 28 a fraction or a wire gauge?
The 28 is a wire gauge number, not a fractional size. Number drills run from 1 (largest) down to 80 (smallest), so a No. 28 bit falls between the common fractional sizes and is used where a gauge-specific hole is called for, such as drilling for a tap or a screw clearance hole. The bit measures 2-7/8 inches overall and ships 10 to a pack.
2) How many bits come in a pack of Metallics NHSD28 drills, and how are they packaged?
Ten bits per pack, supplied in a pouch rather than a rigid index case. That makes it a consumable refill pack for a crew that burns through a single gauge size, not a boxed set you keep in a drill index.
3) Is the Metallics NHSD28 a bit for electrical work, and what would an electrician use a No. 28 drill for?
It is stocked as an electrical trade item. High-speed steel number drills in this range are used for small pilot and clearance holes in steel boxes, panels, enclosures, and strut, and for drilling ahead of a tap when you are threading a hole for a machine screw. For wood or masonry you want a different bit type; HSS twist drills are for metal and general-purpose work.
4) What is the manufacturer part number for the Metallics No. 28 high-speed drill bit?
Order it as Metallics NHSD28. The N-H-S-D prefix is the Metallics number-gauge high-speed drill line and the trailing 28 is the gauge, so other sizes in the same family follow the same pattern with a different number on the end.
How fast can I get the Metallics NHSD28 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics NHSD28 come with a warranty?
Absolutely. The Metallics NHSD28 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics NHSD28?
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