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Fastener Standardization

In an effort to reduce and simplify the hardware used on the vehicle, the team has created a set of standard fasteners used across all designs. The fasteners listed below and mating nuts, washers, and tabs are regularly stocked and must be should be used unless a design requires specialized hardware.

Note

Fastenal is the vendor of choice for IIT Motorsports. To simplify procurement, any additional fasteners to the list below should be available and reguarly stocked by Fastenal.

Hex Cap Screw

Type Size Wrench Size Thread Thread Type Grade Standard Material Fastenal #
Hex Head Bolt M4-0.7 x 10mm 7mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138522
Hex Head Bolt M4-0.7 x 16mm 7mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138524
Hex Head Bolt M4-0.7 x 20mm 7mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138525
Hex Head Bolt M4-0.7 x 25mm 7mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138526
Hex Head Bolt M4-0.7 x 30mm 7mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138527
Hex Head Bolt M6-1.0 x 16mm 10mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138564
Hex Head Bolt M6-1.0 x 20mm 10mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138565
Hex Head Bolt M6-1.0 x 30mm 10mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138567
Hex Head Bolt M6-1.0 x 40mm 10mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138569
Hex Head Bolt M6-1.0 x 50mm 10mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138571
Hex Head Bolt M8-1.25 x 25mm 13mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138616
Hex Head Bolt M8-1.25 x 30mm 13mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138617
Hex Head Bolt M8-1.25 x 40mm 13mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138619
Hex Head Bolt M8-1.25 x 50mm 13mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138621
Hex Head Bolt M8-1.25 x 60mm 13mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138623
Hex Head Bolt M10-1.5 x 30mm 17mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138656
Hex Head Bolt M10-1.5 x 40mm 17mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138658
Hex Head Bolt M10-1.5 x 50mm 17mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138660
Hex Head Bolt M10-1.5 x 60mm 17mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138662
Hex Head Bolt M10-1.5 x 70mm 17mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138664
Hex Head Bolt M12-1.75 x 30mm 19mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138706
Hex Head Bolt M12-1.75 x 40mm 19mm Coarse Full Thread Class 8.8 DIN 933 Steel, Zinc Finish 1138708
Hex Head Bolt M12-1.75 x 50mm 19mm Coarse Partial Thread Class 8.8 DIN 931 Steel, Zinc Finish 1138710
Hex Head Bolt M12-1.75 x 60mm 19mm Coarse Partial Thread Class 8.9 DIN 932 Steel, Zinc Finish 1138712
Hex Head Bolt M12-1.75 x 70mm 19mm Coarse Partial Thread Class 8.10 DIN 933 Steel, Zinc Finish 1138714

Socket Head Cap

Type Size Drive Size Thread Thread Type Grade Standard Material Fastenal #
Socket M4-0.7 x 10mm 3mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139524
Socket M4-0.7 x 16mm 3mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139526
Socket M4-0.7 x 20mm 3mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139527
Socket M4-0.7 x 25mm 3mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139528
Socket M4-0.7 x 30mm 3mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139529
Socket M6-1.0 x 16mm 5mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139566
Socket M6-1.0 x 20mm 5mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139567
Socket M6-1.0 x 30mm 5mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139569
Socket M6-1.0 x 40mm 5mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139571
Socket M6-1.0 x 50mm 5mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139573
Socket M8-1.25 x 25mm 6mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139588
Socket M8-1.25 x 30mm 6mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139589
Socket M8-1.25 x 40mm 6mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139591
Socket M8-1.25 x 50mm 6mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139593
Socket M8-1.25 x 60mm 6mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139595
Socket M10-1.5 x 30mm 8mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139619
Socket M10-1.5 x 40mm 8mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139621
Socket M10-1.5 x 50mm 8mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139623
Socket M10-1.5 x 60mm 8mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139625
Socket M10-1.5 x 70mm 8mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139626
Socket M12-1.75 x 30mm 10mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139654
Socket M12-1.75 x 40mm 10mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139656
Socket M12-1.75 x 50mm 10mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139658
Socket M12-1.75 x 60mm 10mm Coarse Full Thread Class 12.9 DIN 912 Alloy Steel, Black Oxide 1139660

Solidworks Toolbox - Mapping

The team maintains it's own fastener library using Solidworks Toolbox & PDM. Solidworks uses different names and standards to identify hardware. A non-exhaustive mapping of Solidworks Toolbox parts to hardware can be found below.

Toolbox Path Type System Grade Standard
DIN/Bolts and Screws/Hex Bolt and Screws/Hex Screw Grade B - DIN EN 24015 Hex Cap Screw Metric Class 8.8 DIN 933
DIN/Bolts and Screws/Hex Bolt and Screws/Hex Screw Grade B - DIN 931-2 Hex Cap Screw Metric Class 8.8 DIN 931