Drill Rod

Diameter Millimeter (Inch)Wall Thickness Millimeter (Inch)Thread PinThread BoxLengthPopular Application
MeterFeet
73 mm (2-7/8”)8.8 mm (1 1/32”)2-3/8 API REG2-3/8 API REG3, 3.6, 4.6, 610, 12, 15, 20DTH
76 mm (3”)6.35 mm (1/4”)2-3/8 API REG2-3/8 API REG3, 3.6, 4.6, 610, 12, 15, 20DTH
89 mm (3-1/2”)6.35 mm (1/4”)2-3/8 API REG & 2-3/8 API IF2-3/8 API REG & 2-3/8 API IF3, 3.6, 4.6, 610, 12, 15, 20DTH
89 mm (3-1/2”)8.8 mm (1 1/32”)2-3/8 API REG & 2-3/8 API IF2-3/8 API REG & 2-3/8 API IF3, 3.6, 4.6, 610, 12, 15, 20Rotary
102 mm (4”)6.35 mm (1/4”)2-3/8 API REG & 2-3/8 API IF2-3/8 API REG & 2-3/8 API IF3, 3.6, 4.6, 610, 12, 15, 20DTH / Rotary
102 mm (4”)8.8 mm (1 1/32”)2-3/8 API REG & 2-3/8 API IF2-3/8 API REG & 2-3/8 API IF3, 3.6, 4.6, 610, 12, 15, 20Rotary
114 mm (4-1/2”)6.35 mm (1/4”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.110, 12, 15, 20,30DTH
114 mm (4-1/2”)8.8 mm (1 1/32”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.110, 12, 15, 20,30DTH / Rotary
114 mm (4-1/2”)12.7 mm (1/2”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.110, 12, 15, 20,30Rotary
127 mm (5”)9.53 mm (3/8”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.1, 10, 10.710, 12, 15, 20,30, 33, 35DTH / Rotary
127 mm (5”)12.7 mm (1/2”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.1, 10, 10.710, 12, 15, 20,30, 33, 35DTH / Rotary
127 mm (5”)19.05 mm (3/4”)3-1/2” API REG & 3-1/2” BECO3-1/2” API REG & 3-1/2” BECO3, 3.6, 4.6, 6, 9.1, 10, 10.710, 12, 15, 20,30, 33, 35Rotary
152 mm (6”)19.05 mm (3/4”)4-1/2” API REG & 4-1/2” BECO4-1/2” API REG & 4-1/2” BECO6, 7.62, 9.120, 25, 30Rotary
152 mm (6”)25 mm (1”)4-1/2” API REG & 4-1/2” BECO4-1/2” API REG & 4-1/2” BECO6, 7.62, 9.120, 25, 30Rotary
178 mm (7”)25 mm (1”)05-1/4” API REG & 05-1/4” BECO05-1/4” API REG & 05-1/4” BECO6, 7.62, 9.1, 1020, 25, 30, 33Rotary
203 mm (8”)25 mm (1”)05-1/4” API REG & 05-1/4” BECO05-1/4” API REG & 05-1/4” BECO7.62, 9.1, 10, 10.6825, 30, 33, 35Rotary
229 mm (9”)25 mm (1”)7” BECO7” BECO7.62, 10.6825, 35Rotary
254 mm (10”)25 mm (1”)8” BECO8” BECO7.62, 10.6825, 35Rotary

DTH Hammers

Hammer SizeOD-”D”Without Bit-”L”Thread Connection-”T”
3 1/2” Hammer82.2 mm769 mm2 3/8” API Reg.PIN
4 3/4” Hammer106 mm906 mm2 3/8” API Reg. PIN
5” Hammer118 mm977.5 mm2 7/8” API Reg. PIN
6” Hammer148 mm990 mm2 7/8” API Reg. PIN
8” Hammer180.3 mm1070 mm4 1/2” API Reg. PIN

DTH Button Bits

Description of BitSize OF Bit – “D”No.of Buttons on faceNo.of Buttons on peripheralNo.of Spliness on ShankShank Length- “L”
3 1/2” Dia. Bit90 mm467164.8
4 3/4” Dia Bit121 mm688231
6” Dia. Bit152 mm888195
6 1/2” Dia. Bit165 mm101012231
8” Dia Bit203 mm151012231

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