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Contact Information
Address: 580 Old Bristow Rd. Independence, KY 41051
Email: Proweldperformance@gmail.com
Phone: (859) 586-4069
Nuts, Washers and Spacers
Our collection of Nuts, Washers, and Spacers offers the precision and durability you need for high-performance builds. Whether you’re looking for exact-fitting nuts, reinforced washers, or custom-sized spacers, we’ve got you covered with a wide range of sizes and materials to meet your project’s demands. Each product is designed for strength and reliability, ensuring your engine is built to last.
Metric Hex Nut Stainless Steel 18-8 (A-2)
Options
Quantity: 1
Item #: 4774
Description: This is a filler description to test how much space it takes to make it look good.
Description: Because they're slightly thicker than standard hex nuts, these nuts have added strength and better thread engagement. All have a Class 6H thread fit.
Zinc-plated steel nuts meet ISO 4033. Optionss M2-M5 are made from Class 6 steel; sizes M6-M30 are made from Class 8 steel.
Metric Hex Nut - Fine Thread Zinc Plated Class 10.9 Steel
Options
Quantity: 1
Item #: 15273
Description: Because they're slightly thicker than standard hex nuts, these nuts have added strength and better thread engagement. All have a Class 6H thread fit.
Zinc-plated steel nuts meet ISO 4033. Optionss M2-M5 are made from Class 6 steel; sizes M6-M30 are made from Class 8 steel.
Metric Hex Nut - Super Fine Thread Zinc Plated Class 10.9 Steel
Options
Quantity: 1
Item #: 15278
Description: Because they're slightly thicker than standard hex nuts, these nuts have added strength and better thread engagement. All have a Class 6H thread fit.
Zinc-plated steel nuts meet ISO 4033. Optionss M2-M5 are made from Class 6 steel; sizes M6-M30 are made from Class 8 steel.
Serrated Flange Hex Locknut Black Oxide 304 Stainless Steel 18-8
Options
Quantity: 1
Item #: SFN-BO-M3
Description:
Metric JIS Flange Nut Serrated Stainless Steel 18-8 (A-2)
Options
Quantity: 1
Item #: 17713
Description:
Metric High-Strength Flange Nut - Steel Class 10
Options
Quantity: 1
Item #: 950003A205
Description:
Metric High-Strength Flange Nut - Steel Class 10 Black Oxide
Options
Quantity: 1
Item #: 94942A111
Description:
Washers
Please see our diagrams and reference tables for sizes. Washer size (Inner Diameter) is the size bolt that the washer is used with. Thus a 6mm washer fits a 6mm bolt.
Metric Flat Washer Stainless Steel 18-8 (A-2)
Options
Quantity: 1
Item #: 4514
Specifications Met:
Washer Type
Inside Diameter
Outside Diameter
Thickness
M4
4.3mm
9mm
0.7 - 0.9mm
M5
5.3mm
10mm
0.9 - 1.1mm
M6
6.4mm
12mm
1.4 - 1.8mm
M8
8.4mm
16mm
1.4 - 1.8mm
M10
10.5mm
20mm
1.8 - 2.2mm
M12
13mm
24mm
2.3 - 2.7mm
M14
15mm
28mm
2.3 - 2.7mm
Metric Fender Washer 18-8 Stainless Steel (A-2)
Options
Quantity: 1
Item #: 7313
Specifications Met:
Washer Type
Inside Diameter
Outside Diamter
Thickness
M4
4.3mm
12mm
0.9-1.1mm
M5
5.3mm
15mm
0.9-1.4mm
M6
6.4mm
18mm
1.4-1.8mm
M8
8.4mm
24mm
1.4-1.8mm
M10
10.5mm
30mm
1.8-2.2mm
M12
13mm
37mm
2.3-2.7mm
M14
15mm
44mm
2.3-2.7mm
Steel Metric Fender Washer Black Oxide
Options
Quantity: 1
Item #: 98035A102
Specifications Met:
Washer Type
Inside Diameter
Outside Diameter
Thickness
M4
4.3mm
10mm
0.7 - 0.9mm
M4
4.3mm
14mm
2.5 - 3.4mm
M5
5mm
10mm
0.7 - 0.9mm
M5
5mm
18mm
1.7 - 2.3mm
M6
6.4mm
13mm
2.0 - 2.4mm
M6
6.4mm
18mm
4.0 - 4.9mm
M8
8.4mm
16mm
2.5 - 3.4mm
M8
8.4mm
22mm
4.5 - 5.4mm
M10
10.5mm
19mm
2.5 - 3.4mm
M10
10.5mm
23mm
4.5 - 5.4mm
M12
13mm
22mm
2.5 - 3.4mm
M12
13mm
26mm
4.5 - 5.4mm
M14
15mm
25mm
2.5 - 3.4mm
M14
15mm
27mm
4.5 - 5.4mm
M16
17mm
28mm
3.0 - 3.9mm
M16
17mm
32mm
4.5 - 5.4mm
Stainless Steel 304 Black Metal Flat Washers
Options
Quantity: 1
Item #: 5526
Specifications Met:
Washer Type
Outside Diameter
Thickness
M6
0.28"
0.63"
0.055"
M8
0.37"
0.78"
0.075"
M10
0.41"
0.865"
0.085"
M12
0.51"
1.25"
0.072"
M6 Screw Standard Flat Washer Case Hardened Steel, Black Oxide
Options
Quantity: 1
Item #: 74213745
Specifications Met:
Washer Type
Inner Diameter
Outside Diameter
Thickness
M6
7mm
16mm
3mm
M6
7mm
16mm
5mm
M8
9mm
19mm
3mm
M8
9mm
19mm
5mm
M10
11mm
22mm
3mm
M10
11mm
22mm
5mm
M12
13mm
29mm
3mm
M12
13mm
29mm
5mm
Red Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Blue Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Black Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Gold Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Silver Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Plain (Unfinished) Anodized Aluminum Washer
Options
Quantity: 1
Item #: AAWM
Specifications Met:
Size
Inside Diameter
Outside Diameter
Minimum Thickness
M6
6.3mm
35mm
6.45-6.55mm
M8
8mm
35mm
6.45-6.55mm
M10
10mm
35mm
6.45-6.55mm
Spacers
Please see our diagrams and reference tables for sizes. Spacers are available for purchase individually, or in packs of 5, 10, or 25. If you need a larger quantity, just contact us and we’d be happy to send you a quote!
Aluminum Spacer 1/2" OD x 1/4" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 1/4" or M6
Options
Quantity: 1
Item #: AS500-250-.063-1
Description: PLEASE NOTE THIS IS PRICING FOR SINGLE SPACERS.
Aluminum Spacer 1/2" OD x 1/4" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 1/4" or M6
Options
Quantity: 5
Item #: AS500-250-.063-5
Description: PLEASE NOTE THIS IS PRICING FOR 5 SPACERS.
Aluminum Spacer 1/2" OD x 1/4" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 1/4" or M6
Options
Quantity: 10
Item #: AS500-250-.063-10
Description: PLEASE NOTE THIS IS PRICING FOR 10 SPACERS.
Aluminum Spacer 1/2" OD x 1/4" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 1/4" or M6
Options
Quantity: 25
Item #: AS500-250-.063-25
Description: PLEASE NOTE THIS IS PRICING FOR 25 SPACERS.
Aluminum Spacer 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 1
Item #: AS750-375-.063-1
Description: PLEASE NOTE THIS IS PRICING FOR 1 SPACERS.
Aluminum Spacer 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 5
Item #: AS750-375-.063-5
Description: PLEASE NOTE THIS IS PRICING FOR 5 SPACERS.
Aluminum Spacer 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 10
Item #: AS750-375-.063-10
Description: PLEASE NOTE THIS IS PRICING FOR 10 SPACERS.
Aluminum Spacer 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 25
Item #: AS750-375-.063-25
Description: PLEASE NOTE THIS IS PRICING FOR 25 SPACERS.
Aluminum Spacer 1" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 1
Item #: AS-100-375-.063-1
Description: PLEASE NOTE THIS IS PRICING FOR 1 SPACERS.
Aluminum Spacer 1" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 5
Item #: AS-100-375-.063-5
Description: PLEASE NOTE THIS IS PRICING FOR 5 SPACERS.
Aluminum Spacer 1" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 10
Item #: AS-100-375-.063-10
Description: PLEASE NOTE THIS IS PRICING FOR 10 SPACERS.
Aluminum Spacer 1" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 25
Item #: AS-100-375-.063-25
Description: PLEASE NOTE THIS IS PRICING FOR 25 SPACERS.
Aluminum Spacer Black 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 1
Item #: ASBO750-375-.063-1
Description: PLEASE NOTE THIS IS PRICING FOR 1 SPACERS.
Aluminum Spacer Black 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 5
Item #: ASBO750-375-.063-5
Description: PLEASE NOTE THIS IS PRICING FOR 5 SPACERS.
Aluminum Spacer Black 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 10
Item #: ASBO750-375-.063-10
Description: PLEASE NOTE THIS IS PRICING FOR 10 SPACERS.
Aluminum Spacer Black 3/4" OD x 3/8" ID x Choose Your Length, Round Spacer Unthreaded, Fits Screw Bolts 3/8" or M10
Options
Quantity: 25
Item #: ASBO750-375-.063-25
Description: PLEASE NOTE THIS IS PRICING FOR 25 SPACERS.
