High-Performance Dome Nuts for Rock Bolts T-Thread Design

Anchor Nut Dome Nut For Rock Bolt

Dome nuts have a circular flange on one end that creates a large, even clamping surface between the nut and workpiece. They are used with bottom washers to reduce stress on threads caused by misaligned parts.

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  • Description
  • Key Attributes

    Anchor Nut Dome Nut For Rock Bolt

    Dome nuts have a circular flange on one end that creates a large, even clamping surface between the nut and workpiece. They are used with bottom washers to reduce stress on threads caused by misaligned parts.

    Specification

    Product Introduction

    ● Dome nuts' performance will be better than the casting nuts.

    ● Normally, we do it with carbon steel 1045, black finish and T thread, or based on your drawings.

    ● Steel dome nuts are assembled with thread bars are widely used in the mining ground support, tunneling ground support, construction, form works, etc.

    ● Dome nuts will better fit the dome plate.

    Anchor Nut Dome Nut For Rock Bolt

    Product Parameter (Specification)

    1



    Item No.

    Size

    F

    D
    L

    #

    inch

    mm

    inch

    mm

    inch

    mm

    inch

    mm

    CLHN016-1

    6

    3/4"

    19

    1.38

    35

    2.01

    51

    1.57

    40

    CLHN016-2

    7

    7/8"

    22

    1.38

    35

    2.01

    51

    1.77

    45

    CLHN016-3

    8

    1"

    25

    1.61

    41

    2.13

    54

    1.77

    45

    CLHN016-4

    9

    1-1/8"

    28

    1.77

    45

    2.28

    58

    1.97

    50

    CLHN016-5

    10

    1-1/4"

    32

    1.97

    50

    2.44

    62

    2.36

    60

    CLHN016-6

    11

    1-3/8"

    36

    2.36

    60

    2.76

    70

    2.56

    65

    CLHN016-7

    14

    1-3/4"

    43

    2.95

    75

    3.94

    100

    3.15

    80

    CLHN016-8

    18

    2-1/4"

    57

    3.35

    85

    5.12

    130

    4.33

    110

    CLHN016-9

    20

    2-1/2"

    63.5

    3.54

    90

    5.51

    140

    4.72

    120


    Products Details

    Dome nuts have a circular flange on one end that creates a large, even clamping surface between the nut and workpiece. They are used with bottom washers to reduce stress on threads caused by misaligned parts.

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    Applications:


    • Mining Ground Support: Secure roof and sidewall rock bolts in coal mines and metal mines.
    • Tunneling Projects: Stabilize tunnel walls and ceilings during excavation and construction.
    • Construction & Form Works: Provide reliable fastening for temporary and permanent structural supports.


    Why Choose Our Dome Nuts?

    Unlike generic casting nuts, our machined dome nuts offer:


    • Precision T-Threading: Ensures smooth engagement with rock bolt threads, reducing installation time and stripping risks.
    • Corrosion Resistance: Black oxide finish provides a protective layer against moisture and rust in underground environments.
    • Engineered for Load Distribution: The dome shape minimizes stress concentrations, making them ideal for heavy-duty applications where failure is not an option.

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FAQ

High-Performance Dome Nuts for Rock Bolts T-Thread Design

Anchor Nut Dome Nut For Rock Bolt

Dome nuts have a circular flange on one end that creates a large, even clamping surface between the nut and workpiece. They are used with bottom washers to reduce stress on threads caused by misaligned parts.

Still deciding? Get samples first,  Contact US !

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