Darmet Białystok Darmet Białystok

Our adress:

Darmet sp. z o.o.
Zakład Obróbki Skrawaniem
Komunalna 4c street, 15-197 Białystok

Our e-mail:

handel@darmet.com.pl

Telephone number:

+48 85 664 75 34

Cri-Bore®

The Cri-Bore Modular System is excellent for finish boring. Can achieve deeper depth ratios and higher speeds due to maximized body diameters and reduced offsets required.
Cri-Twin®
Cri Bore Angle Final
Cri Bore Side1 Final
Cri Bore Side2 Final
Cri Bore Move Final 1
Criterion Cri Bore Explosion Final
Cri Bore Close Final
 

Advantages

  • Large diameter mounting surface gives maximum rigidity and stability
  • Insert pockets use standard ANSI inserts
  • Available in imperial or metric adjustment
  • Direct dial read out
  • Boring head slides using a dovetail connection for secure clamping
  • Modular system that allows you to use a variety of different shanks

 

Features

  • Through coolant capable
  • Standard Cri-Bore provides adjustment of .001” or .02mm on diameter
  • Also offered in micro adjustment for .00005” or .001mm on diameter bore increments
  • Adapts to modular shanks: CAT, BT, DIN 69871A, DIN 2080, Morse Taper, NMTB, and HSK shanks available

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
Icon Firearms Firearms
General Production General Production
Oil Gas Oil and Gas
Marine Marine
Medical Medical

 

Product Specifications

Product Type Modular Boring System
Diameter Range 1.050" - 7.380" (27.00mm - 187.00mm)

 

Product Nomenclature

CB
1
2000
2
-
TP
3
Cri Bore Drawing
 
1. Boring Head Style

CB = Cri-Bore®
2. Body Style

Imperial

1000 = 1.000"

1250 = 1.250"

1500 = 1.500"

2000 = 2.000"

3000 = 3.000"

4000 = 4.000"

Metric

025M = 25mm

032M = 32mm

038M = 38mm

050M = 50mm

076M = 76mm

101M = 101mm
3. Insert Style

TP = TP

CP = CP / CC

TPMA = TP (with micro adjustment)

CPMA = CP / CC (with micro adjustment)
 
Reference Key
SymbolAtribute

D1

D2

L1

Bore diameter range

Body diameter

Overall length
Cri Bore Dimensions
 

 

Recommended Cutting Data

Criterion Finish Boring

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

Large Cri-Bore® System

Utilizing an extender bar and adapting standard Cri-Bore boring heads will extend the diameter boring range for internal and external boring.
Large Cri-Bore® System
LCB Angle Final
LCB Side1 Final
LCB Side2 Final
LCB Move Final 1
LCB Explosion Final
LCB Close Final
 

Advantages

  • Uses standard or micro adjusting 1.500" Cri-Bore boring heads
  • Modular system that allows you to use CAT, BT, or HSK shanks
  • Increased RPMs due to low center of gravity to the machine spindle
  • Can rotate boring heads 180 degrees for external turning

 

Features

  • Standard Cri-Bore provides adjustment of .001” or .02mm on diameter
  • Also offered in micro adjustment for .00005” or .001mm on diameter bore increments
  • Extender bars provide 1.125" diameter range of adjustment
  • Seven extender bars provide a diameter range from 5.000" - 12.125" (127.00mm - 307.90mm) for internal bores
  • External turning diameter range of .710" - 7.830" (18.10mm - 198.80mm)

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
General Production General Production
Oil Gas Oil and Gas
Marine Marine

 

Product Specifications

Product Type Modular Boring System
Outer Diameter Range 0.710" - 7.830" (19.00mm - 198.00mm)
Inner Diameter Range 5.00" - 12.125" (127.00mm - 307.00mm)

CB Style

The CB style boring heads offer the largest boring range of any of our boring heads. This is the best choice when you have a variety of bore sizes to produce. The CB Style has been designed for use on manual or CNC machines. Offered in standard or micro adjustment to meet your tolerance needs.
CB Style
CB Style Angle
CB Style Side1
CB Side2
CB Style Explosion
CB Style Move
CB Close
CB Close2
 

Advantages

  • Large diameter mounting surface gives maximum rigidity and stability
  • Ideal for Job Shops
  • Large range of diameters produced with a single boring head

 

Features

  • Standard CB Style provides adjustment of .001” or .02mm on diameter
  • Also offered in micro adjustment for .00005” or .001mm on diameter bore increments
  • Inch Model CB Style Boring Range .050” – 21.500” in Diameter
  • Metric Model CB Style Boring Range 3mm – 341mm in Diameter
  • V-Flange, BT-Flange, DIN 69871, DIN2080 and HSK shanks available

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
Icon Firearms Firearms

 

Product Specifications

Product Type Modular Boring System
Center Hole Diameter Range 0.050" - 3.250" (3.00mm - 73.00mm)
Outboard Hole Diameter Range 1.00" - 5.125" (25.00mm - 130.00mm)
Cross Hole Diameter Range 2.875" - 21.500" (73.00mm - 341.00mm)

 

Product Nomenclature

CB
1
-
2000
2
A
3
MA
4
CB Style Drawing
 
1. Boring Head Style

CB = CB Style

SQ = Square

TMT = Tiny Mite

CSL = Sloted
2. Body Size

Imperial

002 = 1.500"

152 = 1.500"

0750 = 0.750"

1000 = 1.000"

1500 = 1.500"

2000 = 2.000"

202 = 2.000"

3000 = 3.000"

203 = 3.000"

204 = 4.000"

206 = 6.000"

Metric

025M = 25mm

032M = 32mm

038M = 38mm

050M = 50mm

076M = 76mm

101M = 101mm

 

 

 

 

 
3. Tool Hole ID

Imperial

A = 0.375"

B = 0.500"

C = 0.625"

D = 0.750"

E = 1.000"

F = 1.500"

G = 0.125"

H = 0.250"

Metric

A = 10mm

B = 12mm

C = 16mm

D = 20mm

E = 25mm

 

 

 
4. Feature

Blank = Standard Adjusting

MA = Micro Adjusting
 
Reference Key
SymbolAtribute

D2

D3

L1

Body diameter

Inner diameter

Overall length
CB Style Dimensions
 

 

Recommended Cutting Data

Criterion Finish Boring

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

CBER®

The only boring system available today that fits directly into standard ER collet holders. Easily move from one machine to another without having to purchase a special holder for each machine. The CBER was designed for Mill/Turn machines, Right Angle heads and small machining centers.
CBER®
Criterion CBER Angle Final
Criterion CBER Side1 Final
Criterion CBER Side2 Final
Criterion CBER Move Final 1
Criterion CBER Close Final
Criterion CBER Explose Final
 

Advantages

  • Easily move from one machine to another without having to purchase a special holder for each machine

 

Features

  • Available for ER16, ER20, ER25, ER32 and ER40
  • Stocked in 2xD and 4xD lengths
  • Through coolant capable on all insert holder stylesStandard CB
  • Standard .001” or .02 mm on diameter direct reading dial adjustment on all models
  • Micro-Adjusting .00005” or .001 mm on diameter direct reading dial adjustment on select models
  • Insert holder styles provides a diameter range of .672" - 1.600" (17.1mm - 40.6mm)
  • Bar holder style provides a smaller diameter range of .050" - .800"

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
Icon Firearms Firearms

 

Product Specifications

Diameter Range 0.672" - 1.600 (17.1mm - 40.6mm)
Shank Options ER16, ER20, ER25, ER32, ER40

 

Recommended Cutting Data

Criterion Finish Boring

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

Bore/Face Heads

The boring and facing head can be used for standard boring operations. Additionally, this tool is capable of facing, grooving, and undercutting by allowing the tool to feed outwards using the revolutions of your spindle.
BF CNC
BF Manual
 

Advantages

  • Available for CNC and Manual applications
  • Available in a standard or fine feed
  • Capable of boring diameters of .050" - 10.625" (1.27mm - 270mm)

 

Features

  • 3 hole configuration on the bar holder providing a large boring range
  • Dial screw allows for .001" (.02mm) incremental adjustment
  • Standard feed option progresses .003" (.076mm) per revolution
  • Fine feed option progresses .0015" (.038mm) per revolution
  • CNC configuration utilizes a stop arm that will release the boring head for facing operations

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
General Production General Production
Oil Gas Oil and Gas
Marine Marine

 

Product Specifications

Product Type Modular Boring System
Center Hole Diameter Range 0.050" - 2.875" (10.00mm - 76.00mm)
Outboard Hole Diameter Range 2.375" - 4.750" (60.00mm - 120.00mm)
Cross Hole Diameter Range 4.937" - 10.625" (125.00mm - 288.00mm)

 

Recommended Cutting Data

Criterion Finish Boring

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

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