Klein Tools Bi-Metal Hole Saw...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$20.93
Klein Tools Bi-Metal Hole Saw

Klein Tools Bi-Metal Hole Saw

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Model: 31958

In Stock (leaves warehouse same day if ordered before 3pm ET)

$20.93
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Bi-Metal Hole Saw, 4-1/2-Inch

  • Warnings

    • Always wear approved eye protection.
    • Never use on or near live electrical circuits.
    • Read and follow safety instructions in power tool owners manual.

  • Features

    • Hex-shaped base for easy removal from arbor
    • Multiple Slots Provide Leverage Points
    • Multiple leverage points for easy slug removal
    • Heavy-duty steel construction includes a thick back plate to withstand abuse
    • Cuts precise holes in drywall, ceiling tile steel, wood, plastic and stainless steel
    • Optimized for cutting steel including stainless steel
    • Long lasting, fast cutting blade
    • Use with Klein Tools Arbor (Cat. No. 31906). Sold separately


31972 - spec sheet

Manufacturer Resources

Spec Sheet

Product Specs

Department:
Electrical
Product Type:
Hole Saw
Product Details:
Heavy-Duty
Product Subgroup:
Hole Saws & Bits
For Use With:
31906
Product Group:
Power Tools & Accessories

Klein Tools 31958 – Frequently Asked Questions

1) Does the Klein bi-metal hole saw come with an arbor, or do I have to buy one?
No arbor is included. The hole saw is made to run on the Klein Tools arbor, Cat. No. 31906, which is sold separately. If you are ordering these saws for a crew, order at least one arbor along with them or the saws will arrive with nothing to mount them on.
2) Will this hole saw cut stainless steel, or do I need a carbide cutter?
Bi-metal construction here is optimized for cutting steel, stainless steel included. It also handles drywall, ceiling tile, wood and plastic, so one saw covers a mixed-material day without swapping to a dedicated metal cutter.
3) What size holes do the Klein bi-metal hole saws cut?
Two cutting diameters are offered: 3-5/8 inch (Cat. No. 31958) and 4-1/2 inch (Cat. No. 31972). Both are large-diameter sizes typically used for can lights, speaker cutouts and larger penetrations rather than standard device boxes.
4) How do you get the slug out of a deep hole saw without wrecking the teeth?
The cup has multiple slots in the barrel that give you leverage points to pry the plug out, instead of digging at it through the teeth. The base is hex-shaped as well, so it breaks loose from the arbor by hand or with a wrench rather than seizing on.
5) Can I use this hole saw to cut an opening in a live panel or energized enclosure?
No. Klein's instructions are explicit: never use it on or near live electrical circuits. De-energize and lock out before cutting any enclosure, wear approved eye protection, and follow the safety instructions in your drill's owner's manual.
6) I need two sizes for recessed can lights and a larger penetration. Do both sizes use the same arbor?
Both the 3-5/8 inch and 4-1/2 inch cups are specified for use with the Klein Tools arbor Cat. No. 31906, so one arbor serves both. You can swap cups on the same pilot assembly instead of buying a second arbor.
7) Is this hole saw heavy-duty enough for daily production work or is it a homeowner tool?
It is built as a heavy-duty cutter: steel construction with a thick back plate to take abuse, and a blade Klein specifies as long lasting and fast cutting. That back plate is the part that matters on repeat work, since it is where thin hole saws distort when you lean on the drill.
How fast can I get the Klein Tools 31958 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
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 Klein Tools 31958 come with a warranty?
Absolutely. The Klein Tools 31958 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 Klein Tools 31958?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools 31958 from ZenSupply?
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