Multifunctional Core Drill UR21

DL SERIES Dry Diamond UR-DL

Rotation

  • ■Capable of drilling reinforced concrete(cutting up to triple-reinforcement), blocks, mortar etc. without the use of water.
  • ■Center pin type cuts using only rotation force, greatly reducing noise of vibration.
  • ■Long type with an effective length of 200 mm.

◆Applicable Electric Tool: Electric Drill / Percussion Drill (rotating mode)

*For porcelain ceramic tile and stone, water should be used.

DL SERIES Dry Diamond UR-DL

Uses

REINFORCED CONCRETE•HARD EXTERIOR PANEL•Resin-based ARTIFICIAL MARBLE•MORTAR•
SOFT EXTERIOR PANEL•BLOCK•BRICK•*CERAMIC TILE

Precautions on use

  • ■Note that the cutting edge may experience wear sooner when used for concrete without the elapse of an insufficient curing period.
  • ■Make sure to use the drill in the “rotation mode.” Using the drill in the percussion/impact mode may cause falling of the cutting edge or other failures.
  • ■Note that forced insertion/removal operations during drilling (the cutting edge collides against the hole bottom or hole wall) or excessive tilting of a tool may also cause failures.
  • ■Make sure to use this product in a “dry” condition. Using it in a wet or a damp condition may cause not only a shorter life but also reduced operating efficiency.

■Handling Method (Dry Diamond UR-D/DL [common])

Handling Method (Dry Diamond UR-D/DL [common])

  1. Align the center pin with the drilling position. Hold it tight and turn on the motor switch. [Rotation mode]
  2. Stop the motor when the cutting edge is inserted approximately 5 mm and remove the center pin.
  3. Lightly press the body against the drilling groove and continue operation.

■Dressing (sharpening) operation

Perform dressing (sharpening) operation in the following cases:

  • ■Where cutting quality deteriorates during drilling
  • ■Where burns or discoloration is detected on the cutting edge

In dressing operation, perform normal drilling in heavy weight (hollow) blocks or GC/WA grinding wheels. Dressing operation is completed when diamond particles protrude from the cutting edge surface and streaks in the rotation direction become clear.

UR-DL long (Set)Body + Center Pin + Shank Assembly
Code Diameter
(mm)
Effective
Length
(mm)
Center Pin
(code)
JAN Code
ST-Shank SDS-Shank ST SDS
UR21-DL060ST UR21-DL060SD 60 200 DBP-No.2L 4989270262249 4989270263246
UR21-DL065ST UR21-DL065SD 65 4989270262256 4989270263253
UR21-DL070ST UR21-DL070SD 70 4989270262263 4989270263260
UR21-DL075ST UR21-DL075SD 75 4989270262270 4989270263277
UR21-DL080ST UR21-DL080SD 80 4989270262287 4989270263284
Diameter 60-80mm

Diameter 60-80mm

All replacement blades and all sizes (diameter: 60 - 170 mm) are available for one type shank assembly.

UR-DL long (Body)
Code Diameter
(mm)
JAN Code
UR21-DL060B 60 4989270267244
UR21-DL065B 65 4989270267251
UR21-DL070B 70 4989270267268
UR21-DL075B 75 4989270267275
UR21-DL080B 80 4989270267282
UR-DL long (Center Pin)
Code Overall Length
(mm)
Core Drill Size
(mm)
JAN Code
DBP-No.2L 257 60-80 4989270220096
UR21 (Shank Assembly)
Code Core Drill Size
(mm)
JAN Code
ST-Shank SDS-Shank ST SDS
UR60/170FST UR60/170FSD 60-170 4989270225329 4989270225336

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