MITSUBISHI MATERIALS CORPORATION
OVERSEAS OPERATIONS CENTER
KFC bldg., 7F, 1-6-1, Yokoami, Sumida-ku, Tokyo 130-0015, Japan
TEL +81-3-5819-8723    FAX +81-3-5819-5259

E-Mail: rocktool@mmc.co.jp

JAPAN / ROCK TOOLS

http://mrt.mitsubishicarbide.com

Subsidiaries of MITSUBISHI MATERIALS CORPORATION

MITSUBISHI MATERIALS U.S.A. CORPORATION
Rock Tools Office
2690 Salisbury Highway, Statesville, NC 28677, U.S.A
TEL +1-800-423-1358    FAX +1-888-834-2248

E-Mail: mmusclt@mmus.com

MMC HARTMETALL GMBH
Comeniusstr. 2,40670 Meerbusch, Germany
TEL +49-2159-9189-32    FAX +49-2159-9189-30079

E-Mail: rocktools@mmchg.de

MMC METAL DO BRASIL LTDA.
Rua Cincinato Braga, 340 13°- andar.Bela Vista-
CEP 01333-010 São Paulo-SP., BRASIL
TEL +55-11-3262-5095    FAX +55-11-3285-4906

E-Mail: mmbr@mmbr.com.br

MMC METAL DE MEXICO S.A. DE C.V.
Av. La Canada No.16 Parque Industrial Bernardo Quintana
El marques, Queretaro.
TEL +52-442-221-6136    +52-442-221-6137
FAX +52-442-221-6134

E-Mail: gonzalez@mmcmex.com

U.S.A.

Germany

Brazil

Mexico

Australia

South Korea

Singapore

China

MITSUBISHI MATERIALS TRADING CORPORATION
Unit1, 58 Catalano Circuit Canning Vale, WA 6155 Australia
TEL +61-8-6258-7200    FAX +61-8-6258-5614

E-Mail: admin@mmtau.com

MITSUBISHI MATERIALS TRADING CORPORATION
761, Jiwol-Ri, Pattan-Myeon, Hwaseong-Si, 
Gyeonggi-Do, 445-917 Korea
TEL +82-31-8059-1895    FAX +82-31-8059-1897

MITSUBISHI MATERIALS TRADING CORPORATION
10 Anson Road, #32-09 International Plaza, 
079903 Singapore 
TEL +65-6221-7233    FAX +65-6325-4220

MITSUBISHI MATERIALS (Shanghai) CORPORATION
Room 3911, UNITED PLAZA 1468, Nanjing Road West, 
Shanghai, 200040 China
TEL +86-21-6235-0745    FAX +86-21-6235-0741

Casing Shoe

Casing Pipe

Ca

sing

 O

. D

.

Ca

sing

 I.

 D

.

B

it G

a

u

g

e (

O

p

e

n

)

De

vic

e

D

4

D

1

D

3

D

2

115

140

187

215

240

280

315

365

460

560

152

185

237

272

290

340

373

425

530

630

115

141

187

218

240

283

316

365

463

561

5.98

7.28

9.33

10.71

11.42

13.39

14.69

16.73

20.87

24.80

114

140

186

217

232

281

314

363

461

559

4.49

5.51

7.32

8.54

9.13

11.06

12.36

14.29

18.15

22.01

141.3

165.2

216.3

254.0

273.1

318.5

355.6

406.4

508.0

609.6

126.6

153.2

202.3

241.0

254.5

301.7

336.6

387.4

482.6

584.2

5"

6"

8"

9"

10"

12"

14"

16"

20"

24"

*

1

*

2

*

3

*

4

*

5

mm

in.

mm

in.

mm

mm

in.

mm

4"

5"

6"

8"

8"

10"

12"

12"

15"
18"

18"

in.

a

a

a

a

a

a

a

a

a

a

Two

Wings

Three

Wings

Type

Bit Gauge

Open

D

1

Close

Max. O.D.

D

2

Min. I.D.

D

3

Normal

Size

Applicable Casing Pipe

Device

O. D.

D

4

Hammer

Size

APPROPRIATE CASING AND HAMMER SIZE

*

1 : Water Well

*

2 : Piling, Foundation

*

3 : Pipe Roof, Water Service, Water Remove, Anchoring

*

4 : Geothermal, Oil Well

*

5 : Fore Piling

*

 When ordering, information about casing diameters

 (O.D. and I.D.) is necessary.

*

 Order made bits can be manufactured upon request.