IMJINST Co.,Ltd. | Buy Nord Lock Washers Online
Do you want to buy nord lock online without keeping the costs high and damage to these screw locks inside? Check our range of lockable screws and bolts. You can buy nord lock washers from us, by choosing for your exact requirements. All these materials are highly efficient in holding surfaces.
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Antiloosening Solution

Nord locks and nord lock washers are quite beneficial on the use. Buy nord lock online and prevent the loosening of nut under extreme vibration and shock. Buy nord lock washers online and get the best deal on such items. Using the nord lock washer can give ample stability to the whole system that use to take a lot of vibration.

Saper Lock Nut

Reusable antiloosening nut

  • Size

    M6 ~ M80

  • Technical product name

    Antiloosening nut that uses a three-dimensional spring

  • Core technology

    An automatic antiloosening nut that absorbs loosening energy using spring’s elastic clutch and converts it into locking energy

Saper Lock Technology

  • Prevent nut loosening under extreme shock and vibration
  • Reduce working hours because it is easy to tighten
  • Maintain the antiloosening function under an incomplete tightened state
  • Reusable without screw damages
  • Increase safety without bolt deformation
  • New Excellent Product (NEP) certification

    (Ministry of Trade, Industry and Energy)

  • Korea Rail Standard Authority (KRSA) product registration

    (Korea Rail Network Authority)

  • Korea Gas (KOGAS) Corporation Material Source Approval

    (KOGAS)

Elastic clutch principle
Detail diagram

Unit: mm; “B” and “S” are the same.

Model No. Size Pitch B L H
SP06 M6 1 10 9.5 5
SP08 M8 1.25 13 12.4 6.5
SP10 M10 1.5 17 15.5 8
SP12 M12 1.75 19 19.5 10
SP14 M14 2 22 20.6 11
SP16 M16 2 24 22.6 13
SP18 M18 2.5 27 26.8 15
SP20 M20 2.5 30 28.8 16
SP22 M22 2.5 32 30.8 18
SP24 M24 3 36 34.8 19
SP27 M27 3 41 37.5 22
SP30 M30 3.5 46 41.5 24
SP33 M33 3.5 50 44.5 26
SP36 M36 4 55 49.5 29
SP39 M39 4 60 52.5 31
SP42 M42 4.5 65 55 32
SP45 M45 4.5 70 59 36
SP48 M48 5 75 63.5 38
SP56 M56 5.5 85 72.1 44
SP60 M60 5.5 90 76.2 48
SP64 M64 6 95 81.7 51
SP72 M72 6 105 87.8 57
SP80 M80 6 115 94.7 64
  • · In accordance with KS standards
  • · Material: Stainless steel (STS304 and others), carbon steel (S45C, SCM435, SS400, and others)
  • · Surface treatment: Order specifications (Electrogalvanizing, hot-dip galvanizing, nickel alloy, dachrotizing, and others)

Saper Lock S

Reusable antiloosening nut

  • Size

    M8 ~ M42

Performance and Function
Improvement

  • The performance of the “Elastic flexible nut” technology has been approved by the KS W ISO 7481 vibration–impact test.
  • Specimen: Elastic flexible nut M10 SM45C
  • Frequency : 30Hz
  • Test Displacement : 11.43mm
  • Acceleration Peak : 20.7G
  • Cycle : 30,000times
  • Tightening Torque: 67 N.m
  • Test Result: No loosening (Test Report: Vibration–impact test)
Technical Overview of Elastic Flexible Nut
  • Principle

    Compression stress in the elastic screw section increases friction

  • Function

    Prevent loosening screws from causing impact

  • Features

    Rigid screw elasticity absorbs repetitive stress
    Design variability of elastic screw section applies to various junctions

Detail diagram
Model No. Size Bn Hn
S08 M8 13 9
S10 M10 17 11
S12 M12 19 13.7
S14 M14 22 15
S16 M16 24 17.8
S18 M18 27 20.5
S20 M20 30 22
S22 M22 32 24.7
S24 M24 36 26
S27 M27 41 30
S30 M30 46 32.9
S33 M33 50 35.6
S36 M36 55 39.7
S39 M39 60 42
S42 M42 65 43

Saper Lock P Nut

Antiloosening nut applying high temperature and vibration facility protection

  • Size

    M10 ~ M42

Detail diagram

Antiloosening Washer

Washer Antiloosening Washer

  • Size

    M6 ~ M42

Principle of antiloosening

It is an antiloosening washer that uses bolt tension instead of screw friction and does not have a loose screw because cam angle α is bigger than pitch angle β.

Metric Ref ID-Ø (mm) OD-Ø (mm) Thickness (mm)
3 ILW-3S 3.4 7 1.8
3.5 ILW-3.5S 3.9 7.6 1.8
4 ILW-4S 4.4 7.6 1.8
5 ILW-5S 5.4 9 1.8
6 ILW-6S 6.5 10.8 1.8
8 ILW-8S 8.6 13.5 2.5
10 ILW-10S 10.7 16.6 2.5
11 ILW-11S 11.4 18.5 2.5
12 ILW-12S 13 19.5 2.5
14 ILW-14S 15.2 23 3.4
16 ILW-16S 17 25.4 3.4
18 ILW-18S 19.5 29 3.4
20 ILW-20S 21.4 30.7 3.4
22 ILW-22S 23.4 34.5 3.4
24 ILW-24S 25.3 39 3.4
27 ILW-27S 28.4 42 6.6
30 ILW-30S 31.4 47 6.6
33 ILW-33S 34.3 48.5 6.6
36 ILW-36S 37.4 55 6.6
39 ILW-39S 40.4 58.5 6.6
42 ILW-42S 43.2 63 6.6