Lock Washers

Lock Washers
  • Dorman® - 10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces)
    Dorman®10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-010)
    0
    # mpn1296608264
    10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-010) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $3.49
  • Dorman® - 10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (50 Pieces)
    Dorman®10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (50 Pieces) (879-010)
    0
    # mpn1296822467
    10.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (50 Pieces) (879-010) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.19
  • Dorman® - 10.0 mm Steel Zinc Wave Washers (30 Pieces)
    Dorman®10.0 mm Steel Zinc Wave Washers (30 Pieces) (879-110)
    0
    # mpn1296822479
    10.0 mm Steel Zinc Wave Washers (30 Pieces) (879-110) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers and many other...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.94
  • Dorman® - 12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces)
    Dorman®12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-012)
    0
    # mpn1296608263
    12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-012) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $5.11
  • Dorman® - 12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (40 Pieces)
    Dorman®12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (40 Pieces) (879-012)
    0
    # mpn1296822466
    12.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (40 Pieces) (879-012) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.44
  • Dorman® - 3/4" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (19 Pieces)
    Dorman®3/4" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (19 Pieces) (870-017)
    0
    # mpn1296822053
    3/4" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (19 Pieces) (870-017) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $12.68
  • Dorman® - 3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces)
    Dorman®3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces) (270-012)
    0
    # mpn1296589644
    3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces) (270-012) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $5.64
  • Dorman® - 3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (137 Pieces)
    Dorman®3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (137 Pieces) (818-012)
    0
    # mpn1296805863
    3/8" SAE Steel (Grade 5) Natural Split-Lock Washers (137 Pieces) (818-012) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $9.26
  • Dorman® - 3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (12 Pieces)
    Dorman®3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (12 Pieces) (765-012N)
    0
    # mpn2042059246
    3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (12 Pieces) (765-012N) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $2.01
  • Dorman® - 3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (40 Pieces)
    Dorman®3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (40 Pieces) (799-037)
    0
    # mpn1296793290
    3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (40 Pieces) (799-037) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.46
  • Dorman® - 3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (50 Pieces)
    Dorman®3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (50 Pieces) (799-032)
    0
    # mpn1296793264
    3/8" SAE Steel (Grade 5) Zinc Split-Lock Washers (50 Pieces) (799-032) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.08
  • Dorman® - 3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (15 Pieces)
    Dorman®3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (15 Pieces) (965-112D)
    0
    # mpn4671542596
    3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (15 Pieces) (965-112D) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.28
  • Dorman® - 3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (6 Pieces)
    Dorman®3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (6 Pieces) (965-112)
    0
    # mpn1296861643
    3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (6 Pieces) (965-112) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.34
  • Dorman® - 3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (68 Pieces)
    Dorman®3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (68 Pieces) (870-012)
    0
    # mpn1296822058
    3/8" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (68 Pieces) (870-012) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.79
  • Dorman® - 4.0 mm Steel Zinc Wave Washers (125 Pieces)
    Dorman®4.0 mm Steel Zinc Wave Washers (125 Pieces) (879-104)
    0
    # mpn1296822464
    4.0 mm Steel Zinc Wave Washers (125 Pieces) (879-104) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers and many other...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.94
  • Dorman® - 5.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (125 Pieces)
    Dorman®5.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (125 Pieces) (879-005)
    0
    # mpn1296822471
    5.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (125 Pieces) (879-005) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $3.75
  • Dorman® - 5.0 mm Steel Zinc Wave Washers (110 Pieces)
    Dorman®5.0 mm Steel Zinc Wave Washers (110 Pieces) (879-105)
    0
    # mpn1296822463
    5.0 mm Steel Zinc Wave Washers (110 Pieces) (879-105) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers and many other...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $7.27
  • Dorman® - 5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces)
    Dorman®5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces) (270-011)
    0
    # mpn1296589645
    5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (100 Pieces) (270-011) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.24
  • Dorman® - 5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (175 Pieces)
    Dorman®5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (175 Pieces) (818-011)
    0
    # mpn1296805864
    5/16" SAE Steel (Grade 5) Natural Split-Lock Washers (175 Pieces) (818-011) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $9.01
  • Dorman® - 5/16" SAE Steel (Grade 5) Zinc Split-Lock Washers (20 Pieces)
    Dorman®5/16" SAE Steel (Grade 5) Zinc Split-Lock Washers (20 Pieces) (765-011N)
    0
    # mpn2042121069
    5/16" SAE Steel (Grade 5) Zinc Split-Lock Washers (20 Pieces) (765-011N) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $2.01
  • Dorman® - 5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (20 Pieces)
    Dorman®5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (20 Pieces) (965-111D)
    0
    # mpn4671542595
    5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (20 Pieces) (965-111D) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers,...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.05
  • Dorman® - 5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (8 Pieces)
    Dorman®5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (8 Pieces) (965-111)
    0
    # mpn1296861644
    5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (8 Pieces) (965-111) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.09
  • Dorman® - 5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (87 Pieces)
    Dorman®5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (87 Pieces) (870-011)
    0
    # mpn1296822059
    5/16" SAE Steel (Grade 8) Yellow Zinc Split-Lock Washers (87 Pieces) (870-011) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.79
  • Dorman® - 6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces)
    Dorman®6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-006)
    0
    # mpn1296608267
    6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-006) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $3.49
  • Dorman® - 6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (95 Pieces)
    Dorman®6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (95 Pieces) (879-006)
    0
    # mpn1296822470
    6.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (95 Pieces) (879-006) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.62
  • Dorman® - 6.0 mm Steel Zinc Wave Washers (85 Pieces)
    Dorman®6.0 mm Steel Zinc Wave Washers (85 Pieces) (879-106)
    0
    # mpn1296822482
    6.0 mm Steel Zinc Wave Washers (85 Pieces) (879-106) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber washers and many other...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $7.60
  • Dorman® - 7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (45 Pieces)
    Dorman®7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (45 Pieces) (879-007BX)
    0
    # mpn4671542342
    7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (45 Pieces) (879-007BX) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $5.84
  • Dorman® - 7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (80 Pieces)
    Dorman®7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (80 Pieces) (879-007)
    0
    # mpn1296822469
    7.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (80 Pieces) (879-007) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $6.58
  • Dorman® - 8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces)
    Dorman®8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-008)
    0
    # mpn1296608265
    8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (25 Pieces) (435-008) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $3.08
  • Dorman® - 8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (65 Pieces)
    Dorman®8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (65 Pieces) (879-008)
    0
    # mpn1296822468
    8.0 mm Metric Steel (Class 8) Zinc Split-Lock Washers (65 Pieces) (879-008) by Dorman®. Dorman offers a comprehensive variety of washers for almost any automotive fastening job. Flat washers, split lock washers, fender washers, fiber...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $4.24




Bolted joints can loosen due to different factors, but whatever the reason, loosening may lead to dangerous accidents. In order to prevent them, lock washers are utilized. They can be basically divided into three categories: spring action (or wave), toothed, and split-lock washers. The parts of the first category get compressed as the fastener is being tightened, and the resulting back tension counters loosening. The work of the second category is based on a ratchet action, as a washer bites into the nut and the surface it contacts. Although they are broadly applied, these lock washers can cause scrapes on the coupled surfaces.

As for split-lock washers, they follow a similar principle. In each case, a lock washer will make the connection more reliable and resistant to vibration. Browse a broad selection of these products introduced in our store. We carry all the types mentioned above, and they are available in different sizes to suit as many applications as your project may require. Made of quality materials, they comply with existing industry standards. Use them confidently, and they will keep your threaded connections as tight as you need them to be.

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