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Bosch HBT15M 15-Piece M42 Bi-Metal Hole Saw Set1 / 7
Product guide

Bosch HBT15M 15-Piece M42 Bi-Metal Hole Saw Set

The Bosch HBT15M is a 15-piece general-purpose bi-metal hole saw set with M42 alloy saws and a deeper cup. Its listed features target cutting wood, drywall, metal and plastic, while the product details say it works with standard arbors.

At a glance

  • The listing describes 11 different hole saw sizes within a 15-piece set for common applications.
  • The M42 alloy is claimed to contain 8% cobalt and to withstand high-temperature applications.
  • Progressor teeth alternate in size, and the listing describes them for cutting wood, metal and plastic.
  • A deeper cup is intended to reach thicker materials, including wood, drywall, metal and plastic.
  • Triangle slots are designed to help remove plugs and reduce heat. Reinforced shoulders are claimed to add strength.
Price
$142.01Save 15%

Reference price: $167.07

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • The stated 11 saw sizes provide a range for common hole-cutting jobs.
  • The listed material range includes wood, drywall, metal and plastic.
  • Triangle slots are designed to ease plug removal, a useful detail when clearing cut material.

Cons

  • The SpinLOCK Universal arbor is described as sold separately in one feature statement, so buyers seeking that specific arbor should confirm the set contents.

Technical specifications

6 specifications
Identity
BrandBosch
ModelHBT15M
Dimensions and installation
Dimensions listed11.46"L x 3.94"W
Weight listed4.54 g
Materials and construction
Material listedMetal
StyleM42

What to know before buying

Listing details to confirm

The listing conflicts on the SpinLOCK Universal arbor: one statement says it is sold separately, while another says it is included. Confirm the selected listing's package contents. The listed weight is 4.54 g, which is inconsistent with the product dimensions and set description, so treat that figure as unconfirmed.

What’s in the box

  • 15 piecesIncluded
  • SpinLOCK Universal arborCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

  • Tradespeople and DIY users needing several hole-saw sizes for wood, drywall, metal or plastic.
  • Buyers who value slot designs intended to ease plug removal and a deeper cup for thicker stock.

Less suited to

  • Buyers who need a confirmed SpinLOCK Universal arbor in the package without checking the selected listing.
  • Projects that require a verified hole diameter range or confirmed maximum cutting depth, neither of which is specified here.
Bosch HBT15M 15-Piece M42 Bi-Metal Hole Saw Set · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,192 ratings
  • 5 stars81%81%
  • 4 stars10%10%
  • 3 stars5%5%
  • 2 stars1%1%
  • 1 star3%3%

Customer feedback describes clean cuts through stainless steel panels and smooth cuts on both sides of holes, with positive comments about the range of blade sizes. Sharpness and value receive mixed feedback. For buyers choosing among the stated sizes and materials, reports of cut quality are relevant, but mixed sharpness feedback means expectations may vary. These comments are customer impressions, not verification of the manufacturer's alloy or durability claims.

Positive themes

  • Customers report clean cutting, including through stainless steel panels and on both sides of holes.
  • Feedback is positive about blade size, including for larger-diameter holes.

Mixed feedback

  • Customer feedback on sharpness is mixed.
  • Customer feedback on value for money is mixed.

Frequently asked questions

What materials is the Bosch HBT15M listed for?

The listing names wood, drywall, metal and plastic. It describes the set as general-purpose, but does not give a detailed material thickness range.

How many hole saw sizes are included?

The manufacturer description says the 15-piece kit contains 11 different hole saw sizes.

Does this set include a SpinLOCK Universal arbor?

The listing is contradictory: one feature says it is sold separately, while another says it is included. Confirm the package contents for the selected listing.

What does the listing say about plug removal?

It describes triangle slots as improving plug removal efficiency. This is a manufacturer claim, not a measured performance guarantee.

Bosch HBT15M 15-Piece M42 Bi-Metal Hole Saw Set · photo 3
Additional product photo 3

Alternative options

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