The Pistons - Material List

Qty	Item	Part number	Cost	Link
2	Plywood 12x12 - 3/8" thick	1125T21	$8.54 each	https://www.mcmaster.com/#1125t21/=14s7p9d
1	6061 Aluminum 1" x 1"	9008K14	$7.44 Each	https://www.mcmaster.com/#9008k14/=1cc5ufz
1	6061 Aluminum, ⅜” diameter (2 ft length)	8974K24	$5.58 Each	https://www.mcmaster.com/#8974k24/=1cc76sa
1	High-Strength Steel Threaded Rod 3/8"-16 Thread Size, 2 Feet Long	90322A123	$5.81 Each	https://www.mcmaster.com/#90322a123/=1cc63ta
20	High-Strength Steel Nylon-Insert Locknut Grade 8, Zinc Yellow-Chromate Plated, 3/8"-16 Thread Size	97135A230	$4.18 per pack of 20	https://www.mcmaster.com/#97135A230
50	High-Strength Steel Hex Nut Grade 8, 3/8"-16 Thread Size	90499A031	$6.61 per pack of 100	https://www.mcmaster.com/#90499a031/=1cc7951
4	Peer Bearing 202KRR3 Radial/Deep Groove Ball Bearing - Hex Bore, 0.5625 in ID, 35 mm OD, 13 mm Width, One land riding Nitrile "Buna N" rubber lip, both sides.	202KRR3	$13.61 each	https://www.motionindustries.com/productDetail.jsp?sku=07259108
8	Ball Bearing Open, Trade Number R6, for 3/8" Shaft Diameter	60355K504	$5.78 Each	https://www.mcmaster.com/#60355k504/=1cc7axd