Free Negative RAke 6 sided Chisel with order over $150+ 12 days of deals shop now
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*The "Free Order" promotion applies only to online orders placed between 9:30 a.m. Eastern Time on December 12, 2025, and 9:30 a.m. Eastern Time on December 13, 2025. One order will be selected for every one hundred qualifying online orders and each selected customer will receive a full refund of the total amount paid for that order including product, tax, and shipping. To qualify, orders must be completed and paid in full during the promotional window. The selection process will take place after the promotional window closes. Customers whose orders are selected for a refund will be notified by email at the address provided at checkout. Odds of receiving a refund depend on the total number of qualifying orders received. Refunds will be issued to the original form of payment used at checkout. This promotion cannot be transferred, combined with any other offer, redeemed for store credit, or exchanged for any other value. Penn State Industries reserves the right to review, modify, or cancel the promotion for any reason including suspected abuse or technical issues that affect the integrity of the event. All decisions by Penn State Industries regarding eligibility and refund selection are final.

Spindle Adapters


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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
95 reviews
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
48 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%)
36 reviews
Internal Spindle Adapter
Internal Spindle Adapter Item # LA3418X Our Price: $12.95
30 reviews
Spindle Adapter to 1 in. x 8tpi
Spindle Adapter to 1 in. x 8tpi Item # LABAR418 Our Price: $16.95
9 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
11 reviews
M33 x 3 5 tpi  to 1 in x 8tpi  Headstock Spindle Adapter
M33 x 3 5 tpi to 1 in x 8tpi Headstock Spindle Adapter Item # LA3318 Our Price: $14.95
Reg Price: $21.95
You Save: $7.00 (32%)
10 reviews