SKU: 41379878362

Chuck Insert - M30 x 3.5RH

$25.19 $27.99
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Ships within 48 hours · Estimated delivery Oct 30 - Nov 4

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Description

Chuck Insert - M30 x 3.5RHThis threaded Insert converts RIKON's 4 Jaw Chucks that require inserts to fit onto lathes with M30 x 3. 5 RH threaded spindles. The Insert's internal threads are precision machined to M30 x 3. 5 RH specifications for perfect chuck lathe mounting and running true use. Insert's external threads install into the backs of RIKON insert type chuck bodies only. Features: Precision machined to internal thread spec M30 3. 5 RH for exact fit on compatible

This threaded Insert converts RIKON's 4-Jaw Chucks that require inserts to fit onto lathes with M30 x 3.5 RH threaded spindles. The Insert's internal threads are precision machined to M30 x 3.5 RH specifications for perfect chuck lathe mounting and running-true use. Insert's external threads install into the backs of RIKON insert-type chuck bodies only.

Features:


  • Precision machined to internal thread spec M30 × 3.5 RH for exact fit on compatible lathe spindles
  • External thread designed to screw into RIKON insert-type chuck bodies
  • Constructed from solid, hardened steel for durability
  • Allows flexible chuck usage across different lathes

Specifications:


  • Model Number: 71-123
  • Internal Thread (lathe spindle side): M30 × 3.5 RH
  • External Thread (chuck body side): Matches RIKON insert-type chuck bodies (Z3/Z4 series)
  • Material: Precision-machined Hardened Steel
  • Compatible With: RIKON Z3/Z4 insert-style chucks, lathes with M30 × 3.5 RH spindle thread

Whats Included:

  • (1) Chuck Insert M30 x 3.5RH



Shipping / Billing Information

This product ships direct from the manufacturer:

  • Your order will ship in approximately 7-21 business days.
  • This product is considered special order. Your account will be charged when you place your order.
  • Residential delivery fee applies for all LTL items.
  • Express or overnight shipping is not available for this product.
  • Ships by Ground to the 48 contiguous states. Cannot ship to Alaska, Hawaii, PO Boxes, APOs, US Territories, Canada or other foreign countries.

Return Information

If you have a return issue, contact Woodcraft Supply customer service @ 1-800-535-4482 for return details. Customer pays return freight.

When returning product, please include the invoice number or customer number and refer to the back of the invoice for shipping instructions.

If purchased at a Woodcraft Store, please return the item directly to the store where your purchase was made.

To be eligible for credit for returned Rikon goods, customers must comply with each of the following requirements:
    Written authorization to return any products must be obtained from the RIKON Power Tools Customer Service Department before the products are returned. RIKON Power Tools will issue a Return Goods Authorization Number (RGA#), which must be clearly marked on the shipping label and bill of lading with the returned goods. RIKON Power Tools Will Not Accept Any Unauthorized Returns. A 15% restock fee will apply.

    Warranty Information

    Rikon offers a 5 year warranty.Customers with warranty claims, defective or damaged goods should contact RIKON Power Tools before returning any product to the distributor. RIKON Power Tools reserves the right to ship parts to effect repairs or replace product, whichever they may deem appropriate.

    Request to return defective or damaged goods by distributors must be submitted to RIKON Power Tools and will be reviewed for product misuse, abuse, negligence, accidents, repairs, alterations, lack of maintenance or normal wear and tear before giving authorization to return said goods.

    Defective/Damaged goods that are returned to RIKON Power Tools and show misuse, abuse, negligence, accidents, repairs, alterations, lack of maintenance or normal wear and tear are subject to a restocking charge equal to 15% of the credit given for the returned goods or $25.00, whichever is greater.

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 41379878362

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    4.2 ★★★★★
    Based on 23 reviews
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    Product Reviews
    C
    Verified Purchase
    Charl8
    Grantham, US
    ★★★★★ 5
    Great cushioning, easy storage
    Color: Blue
    I am so happy I bought this. I do back stretches, and need to be on the floor.. Getting up & down is hard at 77, and carpets are hard. This helps sooo much! I don’t hurt my knees when getting down or getting up. The mat is comfortable and provides plenty of padding. It is easy to roll up and store with the included strap. I am tall, and there is extra length, so my head and feet are on the mat. This was a good purchase! This has not torn, and wipes down easily. It doesn’t attract dog hair, which is another reason I wanted a mat.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 21, 2026
    A
    Verified Purchase
    Amazon Customer
    Bozeman, US
    ★★★★★ 5
    Thick & sturdy.
    Color: Blue
    Great mat! Nice thick, sturdy foam! -- Im using it along my raised garden beds so I can crawl across the area that's covered w wood chips to work. I cover up lumber edges w old staples with one edge too, and can push myself up & slide it along beneath me. Great on my knees and elbows. Eliminates the need to constantly get up & down. Nice thick, sturdy foam! Gets slippery fast if I hit it w the hose!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026
    K
    Verified Purchase
    Kelly B. - Honest Hands-On
    Massapequa, US
    ★★★★★ 5
    Durable and Comfortable Yoga Mat That Lasts
    Color: Red
    The BalanceFrom Go Yoga All Purpose Exercise Mat has proven to be a long-lasting and reliable piece of equipment. After seven years of use, it still holds up well, showing how durable the anti-tear material really is. The thickness provides great cushioning for yoga, stretching, or floor workouts, making it comfortable to use on hard surfaces without slipping. The included carrying strap makes it easy to transport to classes or the gym, and the lightweight design is convenient without sacrificing support. Even after years of use, the mat remains easy to clean and hasn’t worn down the way cheaper mats often do. While the surface may show some signs of age, the overall performance has stayed strong, which makes it an excellent value for the price. Pros: Extremely durable even after years, comfortable cushioning, and convenient with a carry strap included. Cons: The surface can show wear over time, it may feel bulky compared to thinner mats, and the texture may not suit those who prefer a firmer grip. A dependable yoga mat that lasts for years while staying comfortable and practical. For anyone looking for a durable, affordable mat, this one delivers excellent long-term value.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 30, 2025
    M
    Verified Purchase
    Marissa
    Natrona Heights, US
    ★★★★★ 4
    From a Non-Yoga enthusiast
    Color: Purple
    The first time I bought a Yoga mat, I plucked it out of the bin from either Ross or TJ Maxx. Then, I decided it wasn't for me and I sold the mat. So, I wouldn't know how to pick a good mat if I fell over it. I came here and purchased this one from the reviews. Again, I'm not a die-hard Yoga-er? Yogi? So I'm probably not giving it the "workout" it needs, but here's a few things I noticed. When I unrolled it, it was nice and tight from it's position. I had to lay it out, then lay on it to get it flat and ready to use. My dog was amused by this, but I'm not sure it counts as a position. It does dent. I've seen where others tear, but so far, mine hasn't yet. But dents? Yes. I can see this as more of a "when" rather than "if." The foam is soft-- it's bound to happen at some point. No noise noted. No squeaking or shifting, or "fart" noises. You can go about your routine in peace. I did notice a smell on my hands after. At first, I wasn't sure what it was, but it was latex-esque or plastic like. I didn't notice this during, but I did smell it after. To me, it's squishy and comfortable. Like I said , I briefly used it as a make-shift cot prior to it's official use, and I thought it was fine. Didn't move, and for what it is, I thought it was pretty thick. I Love the strap, I love the color, it'll do for now. Until it falls apart, I'm happy with it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 1, 2019
    L
    Verified Purchase
    Love inflatable pools
    Lowell, US
    ★★★★★ 5
    Squishiest impact absorbing mat I've seen
    Color: Red
    The size is smallish, and well advertized at 24" X 71", however the quality and padding is there, and at the price point I know it's a winner. It absorbs pressure and rebounds swiftly. It has a matt texture that is a bit grippy, which I prefer. I've paid a lot more for mats that didn't have this shock absorbing performance. I'm excited to own it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 10, 2026

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