Cratex Mandrels (Pack of 10)

Cratex Mandrels are well built and made to last. They come in packages of 10.

From the brochure:

CRATEX Small Wheel Mandrels

Part No. Shank For Hole
2 3/32" 1/16"
3 1/8" 1/16"
5 1/8" 1/8"
8 1/4" 1/8"

Maximum Safe Speed 25,000 Revolutions Per Minute with 1/2" overhang or less (exposed mandrel length). For each additional 1/4" of overhang the Maximum Safe Speed is decreased by at least 20%.

CRATEX Point Mandrels

Part No. Shank For Hole For Point Nos.
1 3/32" 1/16" 4, 6, 8, 10
4 1/8" 1/16" 4, 6, 8, 10
6 1/8" 1/8" 11, 12, 14, 15
9 1/4" 1/8" 11, 12, 14, 15
  • Mandrels No. 1 and No. 4 have a No. 3-48 thread and a hex nut flange
  • Mandrel No. 6 has a No. 5-40 thread and a hex nut flange.
  • Mandrel No. 9 has a No. 5 screw thread, and a fixed schoulder flange.

Maximum Safe Speed 25,000 Revolutions Per Minute with 1/2" overhang or less (exposed mandrel length). For each additional 1/4" of overhang the Maximum Safe Speed is decreased by at least 20%.

CRATEX Cone Mandrel - Part No. 1341

Q1341 Point Wheel Mandrel - Cratex Abrasives

Cratex Rubberized Abrasive Cones are designed to fit Cratex Cone Mandrel No. 1341, 1/4" Shank. Best results are usually obtained at 30% to 80% of Maximum Safe Speed. Use a light work pressure.

Maximum Safe Speed 25,000 Revolutions Per Minute with 1/2" overhang or less (exposed mandrel length). For each additional 1/4" of overhang the Maximum Safe Speed is decreased by at least 20%.

CRATEX Wheel Mandrel - Part No. 1342

Q1342 Wheel Mandrel - Cratex Abrasives

Cratex Wheel Mandrel No. 1342 has a 1/4" Shank and is designed for 1/4" center hole wheels up to 3" diameter by 1/2" thick or less.

Maximum Safe Speeds based on 1/2" overhang and 5,500 Surface Feet Per minute are:

  • 1-1/2" diameter - 15,000
  • 2" diameter - 10,500
  • 2-1/2" diameter - 8,300
  • 3" diameter - 7,000

The Maximum Safe Speeds listed above are for 1/2" overhang or less (exposed mandrel length). For each additional 1/4" of overhang the Maximum Safe Speed is decreased by at least 20%.

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FREQUENTLY ASKED QUESTIONS

If any Cratex item does not perform as promised it is returnable for a full credit or exchange.

  1. E-mail: sales@cratex.com for return authorization number. RA number must be on the shipping label.
  2. All returns must be in resalable condition. Returns to include copy of original packing slip or invoice.
  3. Product returned after 30 days from shipment date will not be accepted.
  4. Cratex will offer returns for replacement product only. No cash refunds.
  5. Replacement value must equal to original order amount. No credit will be issued for a lesser amount.
  6. Customer is responsible for return freight charges.
  7. Replacement orders must be placed within 30 days of return or credit will be void.

Orders will ship within 2 business days. Tracking number will be emailed to the email address submitted at the time of the order. You will be contacted by the Cratex Customer Service Department if there are any issues with your order.