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Self drilling anchor bits

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Anchor bits is used as a sacrificial consumable for drilling hole

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SINODRILLS Self Drilling Anchor bits


Anchor bits is used as a sacrificial consumable for drilling hole, there usually have Tungsten carbide and steel hardened two types, through machining or casting production technology.


Thread type: R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130 etc.


Bits type:

EX: Hardened cross bit for loose to medium dense ground conditions

ES: Hardened button bit for unconsolidated rock with boulders

EC: Hardened arch bit for unconsolidated soil with small boulders

EY: Hardened 3 cutters bit for loose to medium dense ground conditions

EXX: T.C cross bit for soft to medium rock formations

ESS: Button bit with T.C inserts for medium rock formations

ECC: T.C arch bit for soft to medium rock formations

EYY: T.C 3 cutters bit for soft to medium rock formations

Clay bits: Casted clay bit for Soft clay and soil


General guide for anchor bits diameters selection (for reference only):

Thread

Bits diameter(mm)

Thread

Bits diameter(mm)

R25

42mm, 51mm, 76mm

T30

42mm, 46mm, 51mm, 76mm, 90mm

R32

45mm, 51mm, 76mm, 90mm, 100mm, 115mm

T40

76mm, 90mm, 100mm, 115mm

R38

64mm, 76mm, 90mm, 100mm, 110mm, 115mm, 130mm

T52

76mm, 90mm, 110mm, 115mm, 130mm, 150mm

R51

76mm, 90mm, 100mm, 110mm, 115mm, 130mm, 150mm

T73

115mm, 130mm, 175mm

T76

170mm, 220mm

T103

175mm, 220mm, 280mm

T111


T127

200mm, 220mm


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