Request A Quote

SD Series

Home / DTH Drill Bits

SD Series DTH Drill Bits

Request A Quote

SD4

Inch: 4″

SD4

Inch: 4″

SD4

Inch: 4″

SD6

Inch: 6″

SD6

Inch: 6″

SD6

Inch: 6″

SD8

Inch: 8″

SD8

Inch: 8″

SD8

Inch: 8″

Technical Parameter

Head Shape Head Diameter（mm) Shank Length Spline Port holes Button qty.pcs*dia.mm Weight(kg)
Button Type（Optional） Gauge Buttons Front buttons
Convex Face 108 260 8 2 Spherical+Ballistic 7*φ16 6*φ14 9
Convex Face 115 260 8 2 Spherical+Ballistic 7*φ16 6*φ14 9.2
Convex Face 127 260 8 2 Spherical+Ballistic 8*φ16 4*φ14+3*φ13 10.3
Convex Face 130 260 8 2 Spherical+Ballistic 8*φ16 4*φ14+3*φ13 10.5
Head Shape Head Diameter（mm) Shank Length Spline Port holes Button qty.pcs*dia.mm Weight(kg)
Button Type（Optional） Gauge Buttons Front buttons
Concave Face 154 322 8 2 Spherical 8*φ18 4*φ16+4*φ15 25
Flat Face 165 322 8 2 Spherical 8*φ18 8*φ16 25.8
Concave Face 171 322 8 2 Spherical 8*φ18 6*φ16+4*φ15 27.3
Concave Face 178 322 8 2 Spherical 8*φ18 6*φ16+5*φ15 28.2
Concave Face 190 322 8 2 Spherical 9*φ18 6*φ16+5*φ15 28.4
Concave Face 203 322 8 2 Spherical 10*φ18 8*φ16+6*φ15 32.5
Head Shape Head Diameter（mm) Shank Length Spline Port holes Button qty.pcs*dia.mm Weight(kg)
Button Type（Optional） Gauge Buttons Front buttons
Concave Face 203 321 8 2 Spherical 10*φ18 4*φ18+10*φ16 41.3
Concave Face 216 321 8 2 Spherical 10*φ18 4*φ18+10*φ16 45
Concave Face 230 321 8 2 Spherical 12*φ18 12*φ18+6*φ16 47.8
Concave Face 235 321 8 2 Spherical 12*φ18 12*φ18+6*φ16 48.4
Concave Face 254 321 8 2 Spherical 12*φ18 12*φ18+8*φ16 55.3
Convex-Concave Face 275 321 8 2 Spherical 12*φ18 27*φ16 62
Convex-Concave Face 305 321 8 2 Spherical 15*φ18 35*φ16 70.5
Contact us

Request A Quote

Welcome to contact us at any time to get the latest product information and quotations.
Email address

info@rockdrillmaster.com
sales@rockdrillmaster.com

Phone numbers

Mobile : +86 188 2419 8826

Our location

Pingjiang Industrial Park, Yueyang,
Hunan Province, China