19 Rock Drilling T ools 800 8726899 Brunner Lay 150 R ope 112 R38 Part Number Inserts Holes Inches MM Pounds Kilos Gauge Mid Face To p Side XDesign Bits 212 64 T2515X0 36 16 234 70 T2715X0 42 19 3 76 T3015X0 48 22 312 89 T3515X0 65 29 4 102 T4015X0 87 39 Button Bits Crown 212 64 S2515C0 37 17 6716 338 3516 138 338 234 70 S2715C0 43 19 6716 338 3516 138 338 3 76 S3015H0 47 21 612 312 212 1716 238 312 89 S3515H0 52 24 612 312 212 112 112 4 102 S4015H0 84 38 7916 412 312 112 112 Drop Center 212 64 S2515D0 37 17 6716 338 1516 3516 234 70 S2715D0 43 19 6716 338 2516 338 3 76 S3015D0 47 21 6716 3716 1716 12364 312 89 S3515D0 52 24 612 312 2716 338 4 102 S4015D0 84 38 8916 412 238 438 Flat Face 212 64 S2515F0 37 17 6716 438 238 234 70 S2715F0 43 19 6716 538 2716 3 76 S3015F A 47 21 8716 5716 238 238 312 89 S3515F A 52 24 812 512 2716 4 102 S4015F A 84 38 8916 612 2716 W eight Button Bits are available with Standard Parabolic Ballistic or Conical Carbide Parabolic P as the last digit Ballistic B as the last digit Conical C as the last digit Diameter