Standard Components

(need renderings or images for shoulder screws, servos, bearings, etc.)

The laser-cuttable parts of the flat-pack kit are designed to be used with particular standard fasteners and components. The kit itself is designed on a metric grid. But this being the USA, both metric and inch-sized component systems are supported to varying degrees, simply because inch-sized 1/4-20 fasteners are often more readily available than metric M6 fasteners.

Description	Part/Size	Notes
inch button head cap screw	1/4-20 x 3/4	captive-screw connections in 6 mm stock
inch hex nut	1/4-20 x 7/32	captive-screw connections in 6 mm stock
metric socket head cap screw	M3 x 10	anchoring NEMA17 stepper motors
metric socket head cap screw	M6 x 20
metric socket head cap screw	M6 x 25
metric socket head cap screw	M6 x 30
metric socket head cap screw	M6 x 40
plain washer	M5 x 10	for 6 mm shoulder screw thread
plain washer	M6 x 12	for M6 screws
oversized plain washer	M6 x 18	for M6 screws
metric thin nut	M5 x 2.7	for 6 mm shoulder screws
metric hex nut	M6 x 5	for M6 screw
metric wing nut	M6	for M6 screws
6 mm shoulder screw	6 x 14	has M5 thread; sized for pivoting two 6mm thicknesses
ball-end hex key	3 mm	for 6 mm shoulder screw
ball-end hex key	5 mm	for M6 socket head cap screw
combination wrench	10 mm	for M6 nuts
short wood screw	#3 x 0.5”	for laminating 6 mm plywood
wood screw	#4 x 1.0”
NEMA17 Stepper Motor	KL17H248-15-4A
NEMA23 Stepper Motor	KL23H256-20-6A
Hextronik Analog Micro Hobby Servo	HXT900
Turnigy Digital Hobby Servo	TGY-5513MD
Turntable, 3” Square	McMaster-Carr 6031K16	for rotating platforms, 200 lb load capacity
15 mm aluminum extrusion	MiSUMi KHFS3-1515-2000
music wire (hard wire)	0.055 inch	for tendons and pushrods
rubber suction cup foot, 3-1/8” Diameter	McMaster-Carr 53535A45	for optical tables, has 1/4-20 stud