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DiamondSure
Bonded Diamond Drill Bits
Detailed Size Specifications

Stk#

Size

OSD
US Size/
Metric Size

ISD
US Size/
Metric Size

Shaft
Diameter

Shaft
Length

Bell
Depth

Total
Length
               

DT-502

5/64"

.08" / 2.0mm

.02" / 0.5mm

5/64"

2-1/2"

n/a

2-1/2"

DT-503

1/8"

.13" / 3.3mm

.07" / 1.7mm

3/16"

1-1/2"

5/8"

2-1/4"

DT-505

3/16"

.19" / 4.9mm

.13" / 3.3mm

3/16"

2-1/4"

n/a

2-1/4"

DT-507

1/4"

.26" / 6.5mm

.19" / 4.9mm

1/4"

2-1/4"

n/a

2-1/4"

DT-508

5/16"

.32" / 8.1mm

.25" / 6.3mm

1/4"

1"

1-1/8"

2-1/4"
               

DT-515

3/8"

.38" / 9.7mm

.31" / 7.9mm

1/4"

1"

1-1/8"

2-1/4"

DT-516

1/2"

.51" / 12.9mm

.43" / 10.9mm

1/4"

1"

1-1/8"

2-1/4"

DT-517

5/8"

.63" / 16.1mm

.54" / 13.6mm

5/16"

1"

1-1/8"

2-1/4"

DT-518

3/4"

.76" / 19.3mm

.66" / 16.7mm

5/16"

1"

1-1/8"

2-1/4"
               

DT-519

7/8"

.87" / 22mm

.78" / 19.7mm

5/16"

1"

1-1/8"

2-1/4"

DT-520

1"

1.01" / 25.7mm

.90" / 22.9mm

5/16"

1"

1-1/8"

2-1/4"

DT-521

1-1/8"

1.13" / 28.8mm

1.03" / 26.1mm

5/16"

1"

1-1/8"

2-1/4"

DT-524

1-1/4"

1.26" / 32.0mm

1.15" / 29.3mm

5/16"

1"

1-1/8"

2-1/4"

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Stk#

Size

OSD
US Size/
Metric Size

ISD
US Size/
Metric Size

Shaft
Diameter

Shaft
Length

Bell
Depth

Total
Length
               

DT-525

1-3/8"

1.38" / 35mm

1.28" / 32.4mm

5/16"

1"

1-1/8"

2-1/4"

DT-526

1-1/2"

1.51" / 38.4mm

1.40"/35.6mm

5/16"

1"

1-1/8"

2-1/4"

DT-528

1-3/4"

1.76" / 44.7mm

1.65" / 42.0mm

3/8"

1"

1-1/8"

2-1/4"

DT-530

2"

2.01" / 51.1mm

1.91" / 48.4mm

3/8"

1"

1-1/8"

2-1/4"
               

DT-534

2-1/4"

2.25" / 57mm

2.16" / 54.8mm

3/8"

1"

1-1/8"

2-1/4"

DT-536

2-1/2"

2.51" / 63.9mm

2.41" / 61.2mm

3/8"

1"

1-1/8"

2-1/4"

DT-538

2-3/4"

2.76" / 70mm

2.65" / 67.5mm

3/8"

1"

1-1/8"

2-1/4"

DT-540

3"

3.01" / 76.5mm

2.90" / 73.8mm

3/8"

1"

1-1/8"

2-1/4"
               

DT-546

3-1/2"

3.50" / 89mm

3.40" / 86.2mm

3/8"

1"

1-3/8"

2-1/2"

DT-550

4"

4.02" / 102mm

3.90" / 99.2mm

3/8"

1-1/8"

1-3/8"

2-1/2

DT-556

4-1/2"

4.53" / 115mm

4.35" / 111mm

3/8"

1-1/8"

1-3/8"

2-1/2

DT-560

5"

5.00" / 127mm

4.85" / 123mm

1/2"

1"

1-1/8"

2-1/8

DT-565

5-1/2"

5.51" / 140mm

5.35" / 136mm

1/2"

1"

1-1/8"

2-1/8

 

 

 

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Omaha, Nebraska


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