Dong Young Diamond Industrial Co., Ltd.

DRY T-Type Small Core Bits

Item No. Dia. Tube Length Thread

DTSCD 12 1/2" (12mm)
50L
70L
100L
120L
150L
5/8"-11

1/2GAS

DTSCD 58 5/8" (16mm)

DTSCD 1 1" (25mm)

DTSCD 118 1 1/8" (29mm)

DTSCD 114 1 1/4" (32mm)

DTSCD 138 1 3/8" (35mm)

DTSCD 112 1 1/2" (38mm)

DTSCD 134 1 3/4" (44mm)

DTSCD 2 2" (51mm)

DTSCD 214 2 1/4" (57mm)

DTSCD 212 2 1/2" (64mm)

DTSCD 234 2 3/4" (70mm)

DTSCD 3 3" (76mm)

DTSCD 314 3 1/4" (83mm)

DTSCD 312 3 1/2" (89mm)

DTSCD 4 4" (102mm)

DRY T-Type Core Bits

Item No. Dia. Tube Length Thread

Straight Slanted

DSTC 2 DSLC 2 2" (51mm)
300L
1 1/4"-7

DSTC 214 DSLC 214 2 1/4 " (57mm)

DSTC 212 DSLC 212 2 1/2 " (64mm)

DSTC 234 DSLC 234 2 3/4 " (70mm)

DSTC 3 DSLC 3 3" (76mm)

DSTC 312 DSLC 312 3 1/2 " (89mm)

DSTC 4 DSLC 4 4" (102mm) 350L

DSTC 412 DSLC 412 4 1/2 " (114mm)

DSTC 5 DSLC 5 5" (127mm) 400L

DSTC 6 DSLC 6 6" (152mm)

DSTC 7 DSLC 7 7" (178mm)

DSTC 8 DSLC 8 8" (203mm)

DSTC 9 DSLC 9 9" (229mm) 450L

DSTC 10 DSLC 10 10" (254mm)

DSTC 12 DSLC 12 12" (305mm)

DSTC 14 DSLC 14 14" (356mm)

Core Drill Bits for Granite & Marble

Item No. Description Remark

CDB 3/16 5.0mm Thread :

5/8"-11unc
M14
1 1/4"-7unc
1/2 Gas

Tube Length:

50L
70L
100L
150L
200L
300L
400L

Type:

Crown Ring Type
Segmented Type
Wrinkled Type
Escape Type

CDB 1/4 6.5mm

CDB 5/16 8.0mm

CDB 3/8 10.0mm

CDB 1/2 12.7mm

CDB 5/8 16.0mm

CDB 3/4 19.0mm

CDB 7/8 22.0mm

CDB 1 25.0mm

CDB 1 1 /8 28.0mm

CDB 1 1/4 32.0mm

CDB 1 3/8 35.0mm

CDB 1 1/2 38.0mm

CDB 1 5/8 42.0mm

CDB 1 3/4 45.0mm

CDB 1 7/8
48.0mm

CDB 2 52.0mm

CDB 2 1/4 57.0mm

CDB 2 3/8 60.0mm

CDB 2 1/2 64.0mm

CDB 2 3/4 70.0mm

CDB 3 77.0mm

CDB 3 1/4 82.0mm

CDB 3 1/2 89.0mm

CDB 4 102.0mm

CDB 5 126.0mm

CDB 6 152.0mm

CDB 7 177.0mm

CDB 8 203.0mm

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