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Bosch DB045S3 4.5-Inch 3-Piece Diamond Blade Set1 / 7
Product guide

Bosch DB045S3 4.5-Inch 3-Piece Diamond Blade Set

Inch Piece: Bosch DB045S3 is a three-blade diamond set for varied cutting tasks in masonry and tile. Its segmented, turbo, and continuous rims are intended for different balances of cutting speed and finish, while included reducing rings support several arbor sizes.

At a glance

  • Three rim styles are supplied: segmented for faster, rougher cuts, turbo for a speed-and-finish balance, and continuous for cleaner tile cuts.
  • The listing describes use on concrete, block, brick, stone, ceramic tile, and slate.
  • Manufacturer-listed fitment includes a standard 7/8-inch arbor, with reducing rings for 20 mm and 5/8-inch arbor sizes.
  • The listing claims wet or dry cutting capability.
Price
$20.69Save 26%

Reference price: $27.99

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • Three different rim designs let buyers choose a blade style suited to rough masonry work, faster general cutting, or cleaner tile cuts.
  • The two reducing rings extend stated arbor compatibility beyond the standard 7/8-inch fit.

Technical specifications

4 specifications
Identity
BrandBosch
ModelDB045S3
Dimensions and installation
Weight listed10.56 ounces
Materials
Material listedDiamond

What to know before buying

  • The listed use spans rough masonry cutting and delicate tile finishing, so choose the rim suited to the material and desired edge rather than treating the three blades as interchangeable.

What’s in the box

Included
  • 1 segmented rim blade
  • 1 turbo rim blade
  • 1 continuous rim diamond blade
  • 1 20 mm arbor ring
  • 1 5/8-inch arbor ring

Who is it for?

A good fit for

  • Buyers who want segmented, turbo, and continuous-rim blades in one 4.5-inch set.
  • DIYers or tradespeople cutting listed masonry, stone, ceramic tile, or slate materials with a compatible angle grinder.

Less suited to

  • Buyers seeking a single blade optimized exclusively for one material or cut style.
  • Anyone whose grinder arbor does not match the stated 7/8-inch fit or included 20 mm and 5/8-inch reducing-ring sizes.
Bosch DB045S3 4.5-Inch 3-Piece Diamond Blade Set · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 35 ratings
  • 5 stars80%80%
  • 4 stars6%6%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star14%14%

Aggregate customer ratings lean positive, with a smaller one-star share indicating that experiences are not uniformly favorable. Without written feedback, these ratings do not identify specific strengths or explain dissatisfaction. Buyers should judge suitability by the three rim styles, listed material range, and arbor fit rather than assume a particular cutting result.

Frequently asked questions

What blades are in the Bosch DB045S3 set?

It includes one segmented rim blade, one turbo rim blade, and one continuous rim diamond blade, plus reducing rings listed for 20 mm and 5/8-inch arbors.

What materials is this set intended to cut?

The listing names concrete, block, brick, stone, ceramic tile, and slate. It describes the segmented rim for rougher masonry cuts and the continuous rim for cleaner cuts in tile.

Can these blades be used wet or dry?

The manufacturer listing claims wet or dry cutting. Follow the blade and grinder instructions for the specific material and operating conditions.

Will the blades fit my angle grinder?

The listing states a standard 7/8-inch arbor and includes 20 mm and 5/8-inch reducing rings. Confirm your grinder's arbor dimensions and compatibility before use.

Bosch DB045S3 4.5-Inch 3-Piece Diamond Blade Set · photo 3
Additional product photo 3

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