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*20% off discounts are automatically applied at checkout on eligible kit products. Eligible products are identified with the text "20% off, discount automatically applied at checkout" on their product page. If a product does not have that text, it is not eligible. Not valid for mail or phone orders and cannot be applied to previous or pending orders. Offer ends Thursday, July 23, 2026 at 11:59 p.m. Eastern. Discount applies to orders before shipping and sales tax. Products are limited and may sell out at any time. Prices are subject to change. Penn State Industries reserves the right to cancel any order due to unauthorized, altered, or ineligible use of discount.

Spindle Adapters

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7 Items

5/8 inch Compatible with Shopsmith® to 1 inch x 8tpi Spindle Adapter — 5/8 inch Compatible with Shopsmith® to 1 inch x 8tpi Spindle Adapter Item # L5818 Our Price: $18.95

49 reviews

1-1/4 X 8 tpi to 1 in x 8tpi Headstock Spindle Adapter — 1-1/4 X 8 tpi to 1 in x 8tpi Headstock Spindle Adapter Item # LA11418 Our Price: $21.95

98 reviews

3/4 in. x 10 tpi to 1 in x 8tpi Headstock Spindle Adapter — 3/4 in. x 10 tpi to 1 in x 8tpi Headstock Spindle Adapter Item # LA341018 Our Price: $14.95
Reg Price: $18.95
You Save: $4.00 (21%)

38 reviews

Internal Spindle Adapter — Internal Spindle Adapter Item # LA3418X Our Price: $12.95

28 reviews

Spindle Adapter to 1-1/4 in. x 8tpi — Spindle Adapter to 1-1/4 in. x 8tpi Item # LABAR4114 Our Price: $16.95

15 reviews

1 in. x 12 tpi to 1 in x 8tpi Headstock Spindle Adapter — 1 in. x 12 tpi to 1 in x 8tpi Headstock Spindle Adapter Item # LAG1218 Our Price: $24.95

12 reviews

Spindle Adapter to 1 in. x 8tpi — Spindle Adapter to 1 in. x 8tpi Item # LABAR418 Our Price: $16.95

9 reviews