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  • BOLTTE R-type precision locknut M39 x 1.5 mm pitch, OD 58 mm, thickness 14 mm
  • BOLTTE R-Type Precision Locknuts - M8-M200 — product-only view on a light gray background
  • BOLTTE R-type precision locknut M8 x 0.75 mm pitch, OD 16 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M8 x 1 mm pitch, OD 16 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M10 x 0.75 mm pitch, OD 18 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M10 x 1 mm pitch, OD 18 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M12 x 1 mm pitch, OD 20 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M12 x 1.25 mm pitch, OD 20 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M12 x 1.5 mm pitch, OD 20 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M14 x 1 mm pitch, OD 25 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M14 x 1.5 mm pitch, OD 25 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M15 x 1 mm pitch, OD 25 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M15 x 1.5 mm pitch, OD 25 mm, thickness 8 mm
  • BOLTTE R-type precision locknut M16 x 1 mm pitch, OD 28 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M16 x 1.5 mm pitch, OD 28 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M17 x 1 mm pitch, OD 28 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M17 x 1.5 mm pitch, OD 28 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M18 x 1 mm pitch, OD 30 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M18 x 1.5 mm pitch, OD 30 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M20 x 1 mm pitch, OD 32 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M20 x 1.5 mm pitch, OD 32 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M22 x 1.5 mm pitch, OD 35 mm, thickness 10 mm
  • BOLTTE R-type precision locknut M24 x 1.5 mm pitch, OD 38 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M25 x 1 mm pitch, OD 38 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M25 x 1.5 mm pitch, OD 38 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M27 x 1.5 mm pitch, OD 42 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M28 x 1.5 mm pitch, OD 42 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M30 x 1 mm pitch, OD 45 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M30 x 1.5 mm pitch, OD 45 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M32 x 1.5 mm pitch, OD 52 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M33 x 1.5 mm pitch, OD 52 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M35 x 1.5 mm pitch, OD 52 mm, thickness 12 mm
  • BOLTTE R-type precision locknut M36 x 1.5 mm pitch, OD 55 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M38 x 1.5 mm pitch, OD 56 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M40 x 1.5 mm pitch, OD 58 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M42 x 1.5 mm pitch, OD 62 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M44 x 1.5 mm pitch, OD 65 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M45 x 1.5 mm pitch, OD 65 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M48 x 1.5 mm pitch, OD 68 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M48 x 2 mm pitch, OD 68 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M50 x 1.5 mm pitch, OD 70 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M50 x 2 mm pitch, OD 70 mm, thickness 14 mm
  • BOLTTE R-type precision locknut M52 x 1.5 mm pitch, OD 73 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M52 x 2 mm pitch, OD 73 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M55 x 1.5 mm pitch, OD 75 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M55 x 2 mm pitch, OD 75 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M56 x 1.5 mm pitch, OD 77 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M56 x 2 mm pitch, OD 77 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M58 x 1.5 mm pitch, OD 80 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M58 x 2 mm pitch, OD 80 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M60 x 1.5 mm pitch, OD 80 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M60 x 2 mm pitch, OD 80 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M64 x 1.5 mm pitch, OD 85 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M64 x 2 mm pitch, OD 85 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M65 x 1.5 mm pitch, OD 85 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M65 x 2 mm pitch, OD 85 mm, thickness 16 mm
  • BOLTTE R-type precision locknut M68 x 1.5 mm pitch, OD 92 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M68 x 2 mm pitch, OD 92 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M70 x 1.5 mm pitch, OD 92 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M70 x 2 mm pitch, OD 92 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M72 x 1.5 mm pitch, OD 95 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M72 x 2 mm pitch, OD 95 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M75 x 1.5 mm pitch, OD 98 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M75 x 2 mm pitch, OD 98 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M80 x 1.5 mm pitch, OD 105 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M80 x 2 mm pitch, OD 105 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M85 x 1.5 mm pitch, OD 110 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M85 x 2 mm pitch, OD 110 mm, thickness 18 mm
  • BOLTTE R-type precision locknut M90 x 1.5 mm pitch, OD 120 mm, thickness 20 mm
  • BOLTTE R-type precision locknut M90 x 2 mm pitch, OD 120 mm, thickness 20 mm
  • BOLTTE R-type precision locknut M95 x 1.5 mm pitch, OD 125 mm, thickness 20 mm
  • BOLTTE R-type precision locknut M95 x 2 mm pitch, OD 125 mm, thickness 20 mm
  • BOLTTE R-type precision locknut M100 x 2 mm pitch, OD 130 mm, thickness 20 mm
  • BOLTTE R-type precision locknut M105 x 2 mm pitch, OD 140 mm, thickness 22 mm
  • BOLTTE R-type precision locknut M110 x 2 mm pitch, OD 145 mm, thickness 22 mm
  • BOLTTE R-type precision locknut M115 x 2 mm pitch, OD 150 mm, thickness 22 mm
  • BOLTTE R-type precision locknut M120 x 2 mm pitch, OD 155 mm, thickness 24 mm
  • BOLTTE R-type precision locknut M130 x 2 mm pitch, OD 165 mm, thickness 24 mm
  • BOLTTE R-type precision locknut M135 x 2 mm pitch, OD 175 mm, thickness 26 mm
  • BOLTTE R-type precision locknut M140 x 2 mm pitch, OD 180 mm, thickness 26 mm
  • BOLTTE R-type precision locknut M150 x 2 mm pitch, OD 195 mm, thickness 26 mm
  • BOLTTE R-type precision locknut M160 x 3 mm pitch, OD 210 mm, thickness 28 mm
  • BOLTTE R-type precision locknut M170 x 3 mm pitch, OD 220 mm, thickness 28 mm
  • BOLTTE R-type precision locknut M180 x 3 mm pitch, OD 230 mm, thickness 30 mm
  • BOLTTE R-type precision locknut M190 x 3 mm pitch, OD 240 mm, thickness 30 mm
  • BOLTTE R-type precision locknut M200 x 3 mm pitch, OD 250 mm, thickness 32 mm
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BOLTTE R-Type Precision Locknuts - M8-M200

$19.00 USD $14.25 USD 25% OFF
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BOLTTE R-Type Precision Locknuts - M8-M200
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BOLTTE R-Type Precision Locknuts - M8-M200

BOLTTE R-type precision locknuts are selected by metric thread, thread pitch, outside diameter and thickness. Choose the exact model that matches the mating spindle or shaft thread.

Model selection

  • Metric thread range: M8 to M200.
  • Thread pitches: 0.75 mm to 3 mm, depending on model.
  • Outside diameters: 16 mm to 250 mm, depending on model.
  • Thicknesses: 8 mm to 32 mm, depending on model.
  • Material: steel.

R-type locknuts: thread pitch is part of the model

Choose thread diameter and pitch together. R-M8 x 0.75P and R-M8 x 1P share a nominal diameter but do not fit the same thread specification.

Selection detailWhat to check
Thread and pitchMatch the exact mating shaft or spindle thread, including direction where relevant.
Outside diameter and thicknessCheck radial and axial space and access for the tightening method.
Order requirementsIdentify the mating component and any special machining or installation requirements.

Can I select a locknut by shaft diameter alone?

No. Confirm pitch, thread direction, fit and the required locking arrangement. A plain-shaft collar is a different component and should not be treated as an equivalent threaded locknut.

Related selection references

Compare the drawings and intended function; these references are not a statement of direct interchangeability.

Order requirements

  • Select the exact thread diameter and pitch shown in the model name.
  • Confirm the mating shaft or spindle thread, available outside diameter and axial space.
  • In the remarks field, state the shaft or spindle size, thread direction, mating component, installation orientation and any special machining requirements.
  • Also state the application, operating speed, load, tightening method and working environment when relevant.

The product photograph is a representative appearance image. The selected model label provides the authoritative thread, pitch, outside diameter and thickness for the ordered variant.

All dimensions are shown in millimetres. Verify every mating dimension before ordering and installation.

Product Details and Technical Reference

BOLTTE R-type precision locknuts product view
BOLTTE R-type precision locknut material and performance
BOLTTE R-type precision locknut specifications and drawing
BOLTTE R-type precision locknut reference dimensions M8 to M65
BOLTTE R-type precision locknut reference dimensions M68 to M200
BOLTTE R-type precision locknut product details
BOLTTE R-type precision locknuts available size range

Model / configuration / SKU

BOLTTE R-Type Precision Locknuts - M8-M200
Model / configurationSKU
R-M8 x 0.75P - OD16 x T8 mm 3647504772756
R-M8 x 1P - OD16 x T8 mm 4322705628459
R-M10 x 0.75P - OD18 x T8 mm 4322705628453
R-M10 x 1P - OD18 x T8 mm 3647504772757
R-M12 x 1P - OD20 x T8 mm 3647504772758
R-M12 x 1.25P - OD20 x T8 mm 4322705628449
R-M12 x 1.5P - OD20 x T8 mm 5738257368857
R-M14 x 1P - OD25 x T8 mm 3647504772759
R-M14 x 1.5P - OD25 x T8 mm 3647504772760
R-M15 x 1P - OD25 x T8 mm 3647504772761
R-M15 x 1.5P - OD25 x T8 mm 4485634676099
R-M16 x 1P - OD28 x T10 mm 3647504772762
R-M16 x 1.5P - OD28 x T10 mm 4322705628464
R-M17 x 1P - OD28 x T10 mm 3647504772763
R-M17 x 1.5P - OD28 x T10 mm 4322705628450
R-M18 x 1P - OD30 x T10 mm 4322705628445
R-M18 x 1.5P - OD30 x T10 mm 3647504772764
R-M20 x 1P - OD32 x T10 mm 3647504772765
R-M20 x 1.5P - OD32 x T10 mm 3647504772766
R-M22 x 1.5P - OD35 x T10 mm 3647504772767
R-M24 x 1.5P - OD38 x T12 mm 3647504772768
R-M25 x 1P - OD38 x T12 mm 4322705628458
R-M25 x 1.5P - OD38 x T12 mm 3647504772769
R-M27 x 1.5P - OD42 x T12 mm 3647504772770
R-M28 x 1.5P - OD42 x T12 mm 4322705628475
R-M30 x 1P - OD45 x T12 mm 3647504772771
R-M30 x 1.5P - OD45 x T12 mm 3647504772772
R-M32 x 1.5P - OD52 x T12 mm 3647504772773
R-M33 x 1.5P - OD52 x T12 mm 3647504772774
R-M35 x 1.5P - OD52 x T12 mm 3647504772775
R-M36 x 1.5P - OD55 x T14 mm 4322705628448
R-M38 x 1.5P - OD56 x T14 mm 4322705628468
R-M39 x 1.5P - OD58 x T14 mm 4322705628462
R-M40 x 1.5P - OD58 x T14 mm 3647504772776
R-M42 x 1.5P - OD62 x T14 mm 4322705628457
R-M44 x 1.5P - OD65 x T14 mm 4322705628447
R-M45 x 1.5P - OD65 x T14 mm 3647504772777
R-M48 x 1.5P - OD68 x T14 mm 3647504772778
R-M48 x 2P - OD68 x T14 mm 5871816123511
R-M50 x 1.5P - OD70 x T14 mm 3647504772779
R-M50 x 2P - OD70 x T14 mm 4322705628471
R-M52 x 1.5P - OD73 x T16 mm 4322705628467
R-M52 x 2P - OD73 x T16 mm 4830045414831
R-M55 x 1.5P - OD75 x T16 mm 4322705628455
R-M55 x 2P - OD75 x T16 mm 4322705628474
R-M56 x 1.5P - OD77 x T16 mm 4485634676098
R-M56 x 2P - OD77 x T16 mm 4830045414830
R-M58 x 1.5P - OD80 x T16 mm 5871816123489
R-M58 x 2P - OD80 x T16 mm 5871816123493
R-M60 x 1.5P - OD80 x T16 mm 5871816123490
R-M60 x 2P - OD80 x T16 mm 4322705628454
R-M64 x 1.5P - OD85 x T16 mm 5871816123492
R-M64 x 2P - OD85 x T16 mm 4322705628461
R-M65 x 1.5P - OD85 x T16 mm 4322705628465
R-M65 x 2P - OD85 x T16 mm 4322705628469
R-M68 x 1.5P - OD92 x T18 mm 5871816123496
R-M68 x 2P - OD92 x T18 mm 4322705628473
R-M70 x 1.5P - OD92 x T18 mm 5871816123495
R-M70 x 2P - OD92 x T18 mm 4322705628456
R-M72 x 1.5P - OD95 x T18 mm 5871816123491
R-M72 x 2P - OD95 x T18 mm 4322705628463
R-M75 x 1.5P - OD98 x T18 mm 5871816123494
R-M75 x 2P - OD98 x T18 mm 4322705628451
R-M80 x 1.5P - OD105 x T18 mm 5871816123502
R-M80 x 2P - OD105 x T18 mm 4322705628452
R-M85 x 1.5P - OD110 x T18 mm 5871816123501
R-M85 x 2P - OD110 x T18 mm 4485634676100
R-M90 x 1.5P - OD120 x T20 mm 5871816123503
R-M90 x 2P - OD120 x T20 mm 5871816123508
R-M95 x 1.5P - OD125 x T20 mm 5871816123499
R-M95 x 2P - OD125 x T20 mm 5871816123509
R-M100 x 2P - OD130 x T20 mm 5871816123498
R-M105 x 2P - OD140 x T22 mm 5871816123500
R-M110 x 2P - OD145 x T22 mm 5871816123506
R-M115 x 2P - OD150 x T22 mm 5871816123507
R-M120 x 2P - OD155 x T24 mm 5871816123497
R-M130 x 2P - OD165 x T24 mm 5871816123505
R-M135 x 2P - OD175 x T26 mm 5871816123504
R-M140 x 2P - OD180 x T26 mm 5871816123485
R-M150 x 2P - OD195 x T26 mm 5871816123484
R-M160 x 3P - OD210 x T28 mm 5871816123487
R-M170 x 3P - OD220 x T28 mm 5871816123488
R-M180 x 3P - OD230 x T30 mm 5871816123512
R-M190 x 3P - OD240 x T30 mm 5871816123486
R-M200 x 3P - OD250 x T32 mm 5871816123510

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