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MARSHALLTOWN Diamond Milling Bits and Cones
MARSHALLTOWN Diamond Milling Bits and Cones
MARSHALLTOWN Diamond Milling Bits and Cones

MARSHALLTOWN Diamond Milling Bits and Cones

Diamond Bits for Enlarging and Shaping Tile Holes

Sold out
$18.24 - $51.74
$18.24
$18.24 - $51.74
$18.24
MARSHALLTOWN  |  MPN: DTTM38  |  UPC: 035965419239
Free Shipping Eligible
Availability:
Out of stock
Availability:
Out of stock
Size & Type: 3/8" Milling Bit

MARSHALLTOWN Diamond Milling Bits and Cones enlarge, shape, and round existing holes in porcelain, ceramic, and stone. The diamond grit cuts smoothly in wet or dry use without a water feed system.

Key Features
  • Hole Shaping: Enlarges, rounds, and shapes existing holes in tile and stone.
  • Diamond Grit: Grinds porcelain, ceramic, and stone with smooth control.
  • Wet/Dry Use: Works without a dedicated water feed system.
  • 7/8" Flange: Fits compatible grinders for hole adjustment work.
  • Drill Compatible: Works with a drill using the DTTA adapter.
Best For
  • Enlarging existing holes
  • Rounding tile openings
  • Shaping porcelain, ceramic, and stone
  • Wet or dry grinding
  • Grinder or drill use with adapter

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized MARSHALLTOWN Dealer
MARSHALLTOWN Diamond Milling Bits and Cones 3/8" Milling Bit $18.24

Description

MARSHALLTOWN Diamond Milling Bits and Cones are used to enlarge, shape, and round existing holes in porcelain, ceramic, and stone. The diamond grit pattern grinds cleanly through hard tile materials and gives installers better control when adjusting hole size or shape.

These milling tools can be used wet or dry and do not require a water feed system. They fit compatible grinders with a 7/8" flange and can also be used with a drill when paired with the MARSHALLTOWN DTTA Drill Adapter, sold separately.

Specifications

Description Size Part Number
Diamond Milling Bit 3/8" DTTM38
Diamond Milling Cone 3/4" - 1-7/8" DTTC78

Frequently Asked Questions

What are these milling bits used for?
MARSHALLTOWN Diamond Milling Bits and Cones are used to enlarge, shape, and round existing holes in porcelain, ceramic, and stone.
Can these be used dry?
Yes. MARSHALLTOWN Diamond Milling Bits and Cones can be used wet or dry and do not require a water feed system.
What tools do these fit?
They fit compatible grinders with a 7/8" flange and can be used with a drill when paired with the MARSHALLTOWN DTTA Drill Adapter.
What materials can these grind?
MARSHALLTOWN Diamond Milling Bits and Cones are made for porcelain, ceramic, and stone.
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