1. less space required for the spanner: especially usefull for hard-to-reach applications
2. weight reduction

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Hexagonal / 6 point k-nut 1/4″-28 UNF

• Nominal diameter: 1/4″
• Pitch: 28 TPI
• Wrench size: 5/16″

Hexagonal / 6 point k-nut 5/16″-24 UNF

• Nominal diameter: 5/16″
• Pitch: 24 TPI
• Wrench size: 3/8″

Hexagonal / 6 point k-nut 3/8″-24 UNF

• Nominal diameter: 3/8″
• Pitch: 24 TPI
• Wrench size: 7/16″

1. less space required for the spanner: especially usefull for hard-to-reach applications
2. weight reduction

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Hexagonal / 6 point k-nut M3x0,5

• Nominal diameter: M3
• Pitch: 0,5 mm
• Spanner size: 4 mm

Hexagonal / 6 point k-nut M4x0,7

• Nominal diameter: M4
• Pitch: 0,7 mm
• Spanner size: 5 mm

Hexagonal / 6 point k-nut M5x0,8

• Nominal diameter: M5
• Pitch: 0,8 mm
• Spanner size: 6 mm

Hexagonal / 6 point k-nut M6x1,0

• Nominal diameter: M6
• Pitch: 1,0 mm
• Spanner size: 7 mm

Hexagonal / 6 point k-nut M7x1,0

• Nominal diameter: M7
• Pitch: 1,0 mm
• Spanner size:  8 mm

Hexagonal / 6 point k-nut M8x1,0

• Nominal diameter: M8
• Pitch: 1,0 mm
• Spanner size: 10 mm

Hexagonal / 6 point k-nut M8x1,25

• Nominal diameter: M8
• Pitch: 1,25 mm
• Spanner size: 10 mm

Hexagonal / 6 point k-nut M10x1,0

• Nominal diameter: M10
• Pitch: 1,0 mm
• Spanner size: 12 mm

Hexagonal / 6 point k-nut M10x1,25

• Nominal diameter: M10
• Pitch: 1,25 mm
• Spanner size: 12 mm

Hexagonal / 6 point k-nut M10x1,5

• Nominal diameter: M10
• Pitch: 1,5 mm
• Spanner size: 12 mm

Hexagonal / 6 point k-nut M12x1,25

• Nominal diameter: M12
• Pitch: 1,25 mm
• Spanner size: 14 mm

Hexagonal / 6 point k-nut M12x1,5

• Nominal diameter: M12
• Pitch: 1,5 mm
• Spanner size: 14 mm

Hexagonal / 6 point k-nut M14x1,5

• Nominal diameter: M14
• Pitch: 1,5 mm
• Spanner size: 16 mm

K-nuts = superior quality

Our k-nuts are produced following aerospace standards. This makes them extremly lightweight. The corrosion resistance is made possible by their treatment, the k-nuts are cadmium-plated. Following this treatment, a MoS2 low friction coating is applied. This molybdenium disulphide coating performs as a dry film lubricant.

A lot of development for the motorsports are originated in the United Kingdom. Also the US racing scene with their circuits and oval tracks are very popular. Therefor the k-nuts are available with metric threads as well as with UNF thread patterns.

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3 types of k-nuts

Hex k-nuts

• Find more info on the metric k-nut product page.
• Find more info on the imperial k-nut product page.

Typical external characteristics are the reduced hex size and the flange. The hex k-nuts are the most widely used across all motorsport disciplines.

Fixed anchor k-nuts

The fixed anchor nuts have two lugs with holes. They are fixed with rivets and can be mounted on the backside of panels or other parts that are hardly reachable when installed.

Floating anchor k-nuts

These k-nuts are also fixed by rivets. The big advantage is that they are floating. This means that there is a bigger placement tolerance. Extremely useful when the counterpart isn’t always very precisely prepared.

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Reduced hex K-nuts:

M3x0,5 (ref. KHX-M3-050)
M4x0,7 (ref. KHX-M4-070)
M5x0,8 (ref. KHX-M5-080)
M6x1,0 (ref. KHX-M6-100)
M7x1,0 (ref. KHX-M7-100)
M8x1,0 (ref. KHX-M8-100)
M8x1,25 (ref. KHX-M8-125)
M10x1,0 (ref. KHX-M10-100)
M10x1,25 (ref. KHX-M10-125)
M10x1,5 (ref. KHX-M10-150)
M12x1,25 (ref. KHX-M12-125)
M12x1,5 (ref. KHX-M12-150)
M14x1,5 (ref. KHX-M14-150)
1/4"-28 UNF (ref. KHX-1-4-28UNF)
5/16"-24 UNF (ref. KHX-5-16-24UNF)
3/8"-24 UNF (ref. KHX-3-8-24UNF)

Fixed anchor K-nuts:

M3x0,5 (ref. KFI-M3-050)
M4x0,7 (ref. KFI-M4-070)
M5x0,8 (ref. KFI-M5-080)
M6x1,0 (ref. KFI-M6-100)
M8x1,0 (ref. KFI-M8-100)
M8x1,25 (ref. KFI-M8-125)
M10x1,5 (ref. KFI-M10-150)

Floating anchor K-nuts:

M3x0,5 (ref. KFL-M3-050)
M4x0,7 (ref. KFL-M4-070)
M5x0,8 (ref. KFL-M5-080)
M6x1,0 (ref. KFL-M6-100)
M8x1,0 (ref. KFL-M8-100)
M8x1,25 (ref. KFL-M8-125)
M10x1,5 (ref. KFL-M10-150)

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