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NJMKT Undercut Anchor NJMKT Undercut Anchor

NJMKT Undercut Anchor

Key Features(Undercut anchors concrete)

● Consist: anchor rod, undercut lock, spacer sleeve, washer, nut

●Material: alloy steel grade 5.8, 6.8, 8.8, 10.9, 12.9; stainless steel 50 70 80 

● Finish:

            Galvanized steel≥5μm, applicable in indoor and outdoor surroundings

            Hot dipped galvanized steel≥45μm, applicable in corrosion environment

            Can be required for long-lasting complex environment special process of anti- corrosion treatment ≥10μm

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

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    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

    后扩底外贸_01 - 副本.jpg后扩底外贸_02.jpg后扩底外贸_03.jpg后扩底外贸_04.jpg

    Key Features(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

    Consist: anchor rod, undercut lock, spacer sleeve, washer, nut

    Material: alloy steel grade 5.8, 6.8, 8.8, 10.9, 12.9; stainless steel A4-80 

    Finish:

    Anti-corrosive treatment:

    galvanized steel≥5μm, applicable in indoor and outdoor surroundings

    hot dipped galvanized steel≥45μm, applicable in corrosion environment

    Surface treatment can be required for long-lasting complex environment with other process of anti-corrosion treatment


    Description(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

    ● High load-bearing capacity, excellent properties of anti-fatigue, anti-seismic, safety and reliability

    ● No expansion stress allows for small edge distance and spacing installation fixing

    ● Suitable for special environment where embedded rebars and chemical anchors cannot be used 

    ● Different materials according to different environment, a full line of specification, to maximize its own working property to better satisfy customers’ requirements

    ● With special reaming drill bit for secondary drilling operation, fast and easy to install


    Characteristics(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

    ● Suitable for the highest safety requirement of cracked concrete, excellent resistance of seismic and impact load

    ● High performance of load-bearing capacity, the effectiveness of anchorage is similar to pre-embedded part 

    ● The built-in mechanical key lock and special reaming drill bit make the anchor better keying effect; it has less torque load during anchorage installation

    ● The opened lock of the anchor holds the wall of drilled hole, forming the keying effect and providing superior load-carrying capacity to finish the anchorage.

    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

    ● Connections and installation for all kinds of curtain wall and steel-work constructions

    ● Connections and installation for large-scale equipment such as industrial plant, crane, nuclear power station, etc.

    ● Baffle plate, hanging plate, acoustical plate, security gates and windows fixing

    ● Widely used for various pipeline and cable bracket installation in bridge, railway track, subway engineering construction, etc.

    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

    Installation Guide (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)


    Pre-Set type (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

    ● Drill the hole to proper depth and diameter per specifications using ordinary impact drill.

    ● Blow the hole clean using manual/electric air pump.

    ● Use special reaming drill bit for secondary drilling operation and then blow the hole clean using manual/electric air pump.

    ● Before installation, firstly finger-tighten the anchor with its all components to ensure the anchor is tightened. Then place the anchor into the drilled hole and use a hammer and setting tool to drive the anchor until the washer and nut are tight against the surface of the base material.

    ● Tighten the nut using torque wrench. 

    ● Remove the nut and install the plate fixture, then re-tighten the nut and washer over the fixture using torque wrench to required installation torque.



    Through-Set type (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

    ● Drill the hole to proper depth and diameter per specifications using ordinary impact drill.

    ● Blow the hole clean using manual/electric air pump.

    ● Use special reaming drill bit for secondary drilling operation and then blow the hole clean using manual/electric air pump.

    ● Before installation, firstly finger-tighten the anchor with its all components to ensure the anchor is tightened. The bottom of the threaded rod should be flush with the bottom of the cone.

    ● Then place the anchor through the fixture and use a hammer and setting tool to drive the anchor into the drilled hole until the washer and nut are tight against the surface of the fixture.

    ● Tighten the nut using torque wrench and tighten the nut to the required installation torque. Then the installation is finished.

    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

    The average failure load, design load, and recommended load of a single anchor in large spacing and edge distance
    Pre-Set type C20/25 concrete base material
    uncracked concrete
    SizeM10/16
       ×60
    M12/18
       ×100
    M12/18
       ×120
    M16/22
       ×130
    M16/28
       ×160
    M16/28
       ×200
    M20/35
       ×210
    M20/35
       ×250
    M24/38
       ×285

    Effective embedment

    depth hef [mm]

    60100120130160200210250285

    Drilled hole depth

    ho [mm]

    75115135145175215225265300

    Drilled hole dia.

    do [mm]

    161818222828353538
    Average failure load

    Tensile force

    0°[kN] Nu

    31.467.4*67.4*100125.6*125.6*196*196*282*

    Shear force

    90°[kN] Vu

    27.8*40.4*40.4*75.4*75.4*75.4*117.6*117.6*169.2*

    Design load

    Tensile force

    0°[kN] NRd

    14.544.944.946.383.783.7130.7130.7188

    Shear force 

    90°[kN] VRd

    18.526.926.950.250.250.278.478.4112.8

    recommended load

    Tensile force

    0°[kN] Nu

    10.432.132.122.159.859.893.493.4134.2

    Shear force              

    90°[kN] Vu

    13.219.219.235.935.935.9565680.6

    Base material size, minimum spacing and edge distance

    Min.spacing

    smin [mm]

    60100100130160160250250285

    Min.edge distance

    cmin [mm]

    60100100130160160250250285

    Min. base material

    thickness

    hmin [mm]

    120200200260320320500500570

    Installation torque

    tinst [mm]

    406060100140140300300500


    The average failure load, design load, and recommended load of a single anchor in large spacing and edge distance
    Pre-Set type C20/25 concrete base material
    cracked concrete
    SizeM10/16
       ×60
    M12/18
       ×100
    M12/18
       ×120
    M16/22
       ×130
    M16/28
       ×160
    M16/28
       ×200
    M20/35
       ×210
    M20/35
       ×250
    M24/38
       ×285

    Effective embedment

    depth

    hef [mm]

    60100120130160200210250285

    Drilled hole depth

    ho [mm]

    75115135145175215225265300

    Drilled hole dia.

    do [mm]

    161818222828353538
    Average failure load

    Tensile force             

    0°[kN] Nu

    22.147.562.470.496.1125.6*144.6187.7228.5

    Shear force

    90°[kN] Vu

    27.8*40.4*40.4*75.4*75.4*75.4*117.6*117.6*169.2*
    Design load

    Tensile force

    0°[kN] NRd

    10.22228.932.644.583.766.986.9105.8

    Shear force

    90°[kN] VRd

    18.526.926.950.250.250.278.478.4112.8
    recommended load

    Tensile force

    0°[kN] Nu

    7.315.720.623.331.859.847.862.175.6

    Shear force         

    90°[kN] Vu

    13.219.219.235.935.935.9565680.6
    Base material size, minimum spacing and edge distance

    Min.spacing    

    smin [mm]

    60100100130160160250250285

    Min.edge distance          

    cmin [mm]

    60100100130160160250250285

    Min. base material

    thickness

    hmin [mm]

    120200200260320320500500570

    Installation torque

    tinst [mm]

    406060100140140300300500


    ● The values are suitable for: correct installation, no influence of spacing and edge distance, minimum base material thickness.

    ● All the data applies in C20/25 concrete base material. If the base material grade changes, the corresponding concrete influence coefficient will needs to be increased. 

    ● The * part in the table is steel failure control.

    ● The material of all the anchors in the table is alloy steel, grade 8.8.

    ● Design load: including material partial factor, but not including overall partial factor.

    ● Recommended load: including not only material partial factor, but also including overall partial factor 1.4.

    ● If your NJMKT Undercut Anchor(Anchoring Systems) with special material and specification is not listed in this table, please contact our engineer for advice.

    ● All basic anchor data in this table is given according to 2013 ETAG001 and Appendix. The partial factor in the load application must be in accordance with national regulation.

    Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

Description

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

后扩底外贸_01 - 副本.jpg后扩底外贸_02.jpg后扩底外贸_03.jpg后扩底外贸_04.jpg

Key Features(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

Consist: anchor rod, undercut lock, spacer sleeve, washer, nut

Material: alloy steel grade 5.8, 6.8, 8.8, 10.9, 12.9; stainless steel A4-80 

Finish:

Anti-corrosive treatment:

galvanized steel≥5μm, applicable in indoor and outdoor surroundings

hot dipped galvanized steel≥45μm, applicable in corrosion environment

Surface treatment can be required for long-lasting complex environment with other process of anti-corrosion treatment


Description(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

● High load-bearing capacity, excellent properties of anti-fatigue, anti-seismic, safety and reliability

● No expansion stress allows for small edge distance and spacing installation fixing

● Suitable for special environment where embedded rebars and chemical anchors cannot be used 

● Different materials according to different environment, a full line of specification, to maximize its own working property to better satisfy customers’ requirements

● With special reaming drill bit for secondary drilling operation, fast and easy to install


Characteristics(Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

● Suitable for the highest safety requirement of cracked concrete, excellent resistance of seismic and impact load

● High performance of load-bearing capacity, the effectiveness of anchorage is similar to pre-embedded part 

● The built-in mechanical key lock and special reaming drill bit make the anchor better keying effect; it has less torque load during anchorage installation

● The opened lock of the anchor holds the wall of drilled hole, forming the keying effect and providing superior load-carrying capacity to finish the anchorage.

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

Applications

● Connections and installation for all kinds of curtain wall and steel-work constructions

● Connections and installation for large-scale equipment such as industrial plant, crane, nuclear power station, etc.

● Baffle plate, hanging plate, acoustical plate, security gates and windows fixing

● Widely used for various pipeline and cable bracket installation in bridge, railway track, subway engineering construction, etc.

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

Functionality

Installation Guide (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)


Pre-Set type (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

● Drill the hole to proper depth and diameter per specifications using ordinary impact drill.

● Blow the hole clean using manual/electric air pump.

● Use special reaming drill bit for secondary drilling operation and then blow the hole clean using manual/electric air pump.

● Before installation, firstly finger-tighten the anchor with its all components to ensure the anchor is tightened. Then place the anchor into the drilled hole and use a hammer and setting tool to drive the anchor until the washer and nut are tight against the surface of the base material.

● Tighten the nut using torque wrench. 

● Remove the nut and install the plate fixture, then re-tighten the nut and washer over the fixture using torque wrench to required installation torque.



Through-Set type (Undercut anchors concrete, concrete anchors,concrete fixings anchor bolts,undercut anchors)

● Drill the hole to proper depth and diameter per specifications using ordinary impact drill.

● Blow the hole clean using manual/electric air pump.

● Use special reaming drill bit for secondary drilling operation and then blow the hole clean using manual/electric air pump.

● Before installation, firstly finger-tighten the anchor with its all components to ensure the anchor is tightened. The bottom of the threaded rod should be flush with the bottom of the cone.

● Then place the anchor through the fixture and use a hammer and setting tool to drive the anchor into the drilled hole until the washer and nut are tight against the surface of the fixture.

● Tighten the nut using torque wrench and tighten the nut to the required installation torque. Then the installation is finished.

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

Project

Technical Data

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.

The average failure load, design load, and recommended load of a single anchor in large spacing and edge distance
Pre-Set type C20/25 concrete base material
uncracked concrete
SizeM10/16
   ×60
M12/18
   ×100
M12/18
   ×120
M16/22
   ×130
M16/28
   ×160
M16/28
   ×200
M20/35
   ×210
M20/35
   ×250
M24/38
   ×285

Effective embedment

depth hef [mm]

60100120130160200210250285

Drilled hole depth

ho [mm]

75115135145175215225265300

Drilled hole dia.

do [mm]

161818222828353538
Average failure load

Tensile force

0°[kN] Nu

31.467.4*67.4*100125.6*125.6*196*196*282*

Shear force

90°[kN] Vu

27.8*40.4*40.4*75.4*75.4*75.4*117.6*117.6*169.2*

Design load

Tensile force

0°[kN] NRd

14.544.944.946.383.783.7130.7130.7188

Shear force 

90°[kN] VRd

18.526.926.950.250.250.278.478.4112.8

recommended load

Tensile force

0°[kN] Nu

10.432.132.122.159.859.893.493.4134.2

Shear force              

90°[kN] Vu

13.219.219.235.935.935.9565680.6

Base material size, minimum spacing and edge distance

Min.spacing

smin [mm]

60100100130160160250250285

Min.edge distance

cmin [mm]

60100100130160160250250285

Min. base material

thickness

hmin [mm]

120200200260320320500500570

Installation torque

tinst [mm]

406060100140140300300500


The average failure load, design load, and recommended load of a single anchor in large spacing and edge distance
Pre-Set type C20/25 concrete base material
cracked concrete
SizeM10/16
   ×60
M12/18
   ×100
M12/18
   ×120
M16/22
   ×130
M16/28
   ×160
M16/28
   ×200
M20/35
   ×210
M20/35
   ×250
M24/38
   ×285

Effective embedment

depth

hef [mm]

60100120130160200210250285

Drilled hole depth

ho [mm]

75115135145175215225265300

Drilled hole dia.

do [mm]

161818222828353538
Average failure load

Tensile force             

0°[kN] Nu

22.147.562.470.496.1125.6*144.6187.7228.5

Shear force

90°[kN] Vu

27.8*40.4*40.4*75.4*75.4*75.4*117.6*117.6*169.2*
Design load

Tensile force

0°[kN] NRd

10.22228.932.644.583.766.986.9105.8

Shear force

90°[kN] VRd

18.526.926.950.250.250.278.478.4112.8
recommended load

Tensile force

0°[kN] Nu

7.315.720.623.331.859.847.862.175.6

Shear force         

90°[kN] Vu

13.219.219.235.935.935.9565680.6
Base material size, minimum spacing and edge distance

Min.spacing    

smin [mm]

60100100130160160250250285

Min.edge distance          

cmin [mm]

60100100130160160250250285

Min. base material

thickness

hmin [mm]

120200200260320320500500570

Installation torque

tinst [mm]

406060100140140300300500


● The values are suitable for: correct installation, no influence of spacing and edge distance, minimum base material thickness.

● All the data applies in C20/25 concrete base material. If the base material grade changes, the corresponding concrete influence coefficient will needs to be increased. 

● The * part in the table is steel failure control.

● The material of all the anchors in the table is alloy steel, grade 8.8.

● Design load: including material partial factor, but not including overall partial factor.

● Recommended load: including not only material partial factor, but also including overall partial factor 1.4.

● If your NJMKT Undercut Anchor(Anchoring Systems) with special material and specification is not listed in this table, please contact our engineer for advice.

● All basic anchor data in this table is given according to 2013 ETAG001 and Appendix. The partial factor in the load application must be in accordance with national regulation.

Undercut concrete anchors,concrete fixings anchor bolts, undercut anchors,anchor fasterners, anchor bolt price, anchor bolt weight, expansion bolt, stainless steel anchor bolt.