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Original wheels would be drilled for Radius R13 bolts. Aftermarket wheels are usually 60 degree Tapered seating.

Important: The seat type (Tapered/Radius etc) must be the same as your wheels. My bolt pockets are:

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(Single) 14x1.50 28mm Tapered 17 Hex TPi Black Round Wheel Bolt
28mm
TPI wheel spacers.png
Tapered
1.95
£
Black
(Set of 10) 14X1.50 32mm Tapered 17Hex TPi Black Round Wheel Bolts
32mm
TPI wheel spacers.png
Tapered
19.00
£
Black
(Single) 14x1.50 45mm Tapered 17 Hex TPi Black Round Wheel Bolt
45mm
TPI wheel spacers.png
Tapered
2.25
£
Black
(Set of 10) 14X1.50 50mm Tapered 17Hex TPi Black Round Wheel Bolts
50mm
TPI wheel spacers.png
Tapered
22.50
£
Black
(Single) 14x1.50 50mm TPi Tapered 6 Spline Tuner Bolt
19HEX
TPI wheel spacers.png
Tapered
2.50
£
Chrome
(Set of 10) 14X1.50 27mm Tapered 17Hex TPi Polarised Bolts
27mm
TPI wheel spacers.png
Tapered
25.00
£
Polarised
(Set of 10) 14X1.50 28mm Tapered 17Hex TPi Black Round Wheel Bolts
28mm
TPI wheel spacers.png
Tapered
15.00
£
Black
(Single) 14x1.50 40mm Tapered 17 Hex TPi Black Round Wheel Bolt
40mm
TPI wheel spacers.png
Tapered
1.50
£
Black
(Set of 10) 14X1.50 45mm Tapered 17Hex TPi Black Round Wheel Bolts
45mm
TPI wheel spacers.png
Tapered
19.00
£
Black
(Single) 14x1.50 28mm TPi Tapered 6 Spline Tuner Bolt
19HEX
TPI wheel spacers.png
Tapered
1.65
£
Chrome
(Set of 10) 14X1.50 50mm TPi Tapered 6 Spline Tuner Bolts
19HEX
TPI wheel spacers.png
Tapered
22.50
£
Chrome
(Single) 14x1.50 50mm Tapered 17 Hex TPi Polarised Bolt
50mm
TPI wheel spacers.png
Tapered
2.79
£
Polarised
(Single) 14x1.50 32mm Tapered 17 Hex TPi Black Round Wheel Bolt
32mm
TPI wheel spacers.png
Tapered
1.95
£
Black
(Set of 10) 14X1.50 40mm Tapered 17Hex TPi Black Round Wheel Bolts
40mm
TPI wheel spacers.png
Tapered
19.00
£
Black
(Single) 14x1.50 50mm Tapered 17 Hex TPi Black Round Wheel Bolt
50mm
TPI wheel spacers.png
Tapered
2.25
£
Black
(Set of 10) 14X1.50 28mm TPi Tapered 6 Spline Tuner Bolts
19HEX
TPI wheel spacers.png
Tapered
15.00
£
Chrome
(Single) 14x1.50 27mm Tapered 17 Hex TPi Polarised Bolt
27mm
TPI wheel spacers.png
Tapered
2.50
£
Polarised
(Set of 10) 14X1.50 50mm Tapered 17Hex TPi Polarised Bolts
50mm
TPI wheel spacers.png
Tapered
25.00
£
Polarised

ADVANCED PATENTED DESIGN

round bolts black x 16 2.png

When TPi created the round bolt, they set out to maintain all the physical properties of regular lug bolts, but with improved characteristics. Finished in black to perfectly complement black aftermarket alloy wheels.

The unique flower head design will not slip during torquing enabling a secure and non-slip fitment. It has the added benefit of being a good visual deterrent to thieves.

 

Simply fastened with a standard 17mm socket. No additional key required. 

TUNER BOLTS

Specifically for use with wheels that are drilled with small bolt pockets, our TPi tuner bolts are supplied with a key tool for fastening and removing the bolts. The bolts and overlaying key are just 20mm in diameter and perfect for use where a standard sock won't fit. ​

  • Material - SCM 435, Chrome Vanadium or Chrome Molybdenum

  • Finish - Triple Nickel/Chrome

  • Durability - Triple Nickel/Chrome tested with 96 hours salt. Comprehensive hardness testing.

  • Design - 6 spline tuner, external drive, tapered seat, dual hex socket, sliding design.

tuner bolt 6 spline 28mm short 3.png