Geotechnical drilling tools

Self Drilling Anchor Bits

Anchor bits is used as a sacrificial consumable for drilling hole

Description

SINODRILLS Self Drilling Anchor Bits


Drill bit is the front part of the self-drilling anchor system, by cutting and drilling rocks and other geological structures, the anchor could be sent to the designed depth.


Features

• Different types of bits are offered for different conditions;

• Primary alloy is applied to manufacture the alloy bit.


Applications

Pre-supporting, micropiling for foundation underpinning, slope anchorage, etc.


Parameters



    EX

    Full steel cross self drilling anchot bit

    For loose to medium dense ground formations




    ES

    Full steel button self drilling anchor bit

    For weak cemented soil / sands and weak fractured rock formations




    EW

    Self drilling anchor clay bit

    For soft clay and soils




    EC

    Full steel arch self drilling anchor bit

    For loose to dense soil or sand formations




    EY

    Full steel three cutters self drilling anchor bit

    For weak cemented soil / sand and weak fractured rock formations




    EXX


    TC (Tungsten Carbide) cross self drilling anchor bit

    For medium to strong fractured rock foramtions





    ESS

    TC (Tungsten Carbide) button self drilling anchor bit

    For strong fractured rock formations




    ECC

    TC (Tungsten Carbide) arch self drilling anchor bit

    For medium fractured rock formatioms




    EYY

    TC (Tungsten Carbide) three cutters self drilling anchor bit

    For medium fractured rock faomrations



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


Please contact our sales team for more specifications.