Prototyping Fasteners and Components

We keep a stock of small fasteners and components exclusively for course use.

Fasteners

The following are kept available in bins for course use.

Size

Description

Vendor

Vendor Ordering

M3 x 10

socket head cap screw, 2.5 mm hex socket

McMaster-Carr

91290A115

M3 x 14

socket head cap screw, 2.5 mm hex socket

McMaster-Carr

91290A119

M3 x 18

socket head cap screw, 2.5 mm hex socket

McMaster-Carr

91290A121

M3

nut, 2.3 mm thick, 5.5 mm wide

McMaster-Carr

91828A211

M3

brass screw-to-expand inserts, flanged, fits in 5/32” hole

McMaster-Carr

94510A240

M6 x 20

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A326

M6 x 25

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A330

M6 x 30

hex head screw

Fastenal

162328

M6 x 30

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A332

M6 x 35

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A334

M6 x 40

socket head cap screw, 5 mm hex socket

Fastenal

11137014

M6 x 45

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A338

M6 x 55

socket head cap screw, 5 mm hex socket

McMaster-Carr

91290A342

M6

washer, 6.4 mm ID, 12 mm OD, 1.5 mm thick

McMaster-Carr

91166A250

M6

washer, 6.4 mm ID, 18 mm OD, 1.5 mm thick

McMaster-Carr

91100A150

M6

nut, 5 mm thick, 10 mm wide

McMaster-Carr

90591A151

M6

wing nut

McMaster-Carr

94300A330

M6

brass screw-to-expand inserts, flanged

McMaster-Carr

94510A255

6 mm x 12 mm

shoulder screw

McMaster-Carr

92981A101

6 mm x 20 mm

shoulder screw

McMaster-Carr

92981A103

6 mm x 40 mm

shoulder screw

Fastenal

40019

M5

hex nut, 2.7 mm thick, 8 mm wide, for 6 mm shoulder screws

McMaster-Carr

90695A037

M5

washer, for M5 Screw Size, 5.3 mm ID, 10 mm OD, zinc-plated steel

McMaster-Carr

91166A240

6 mm x 9 mm

bushing, sleeve, SAE 841 bronze, 6 mm ID, 6 mm L, 9 mm OD

McMaster-Carr

6658K725

6 mm x 9 mm

bushing, flanged, SAE 841 bronze, 6 mm ID, 10 mm L, 9 mm OD, 12 mm flange OD

McMaster-Carr

6659K672

6 mm x 13mm

shaft collar, set screw, 6 mm ID, 8 mm W, 13 mm OD, M4 set screw

McMaster-Carr

57485K66

#8 x 1/2”

sheet metal screw, blunt, hex head (use 1/4” driver)

McMaster-Carr

93880A194

#8 x 3/4”

sheet metal screw, blunt, hex head (use 1/4” driver)

McMaster-Carr

93880A197

#8

washer, 0.172” ID, 0.375” OD

McMaster-Carr

92141A009

Drive Components

The following are available upon request.

Size

Description

Vendor

Vendor Ordering

5mm x M3

mounting hub for 5 mm shaft, M3 holes on 12.7 mm circle, for stepper motors, includes 1.5 mm hex key for set screw

Pololu

1998

NEMA17

stepper motor, 76 oz-in (5.5 Kg-cm), 1.5 Amp/phase, M3 mounting holes, 5mm shaft

Automation Technology

KL17H248-15-4A

GT2

timing belt, GT2, 6 mm width, bulk (10 meter lengths, not endless)

Amazon

GT2

timing belt, GT2, 6 mm width, 200 mm endless

Amazon

GT2 16T

timing belt pulley, GT2, 16 teeth, 6 mm tooth width, 5 mm bore (fits stepper motors)

Amazon

GT2 20T

timing belt pulley, GT2, 20 teeth, 6 mm tooth width, 8 mm bore (fits shafting)

Amazon