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
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
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%.
FREQUENTLY ASKED QUESTIONS
If any Cratex item does not perform as promised it is returnable for a full credit or exchange.
- E-mail: sales@cratex.com for return authorization number. RA number must be on the shipping label.
- All returns must be in resalable condition. Returns to include copy of original packing slip or invoice.
- Product returned after 30 days from shipment date will not be accepted.
- Cratex will offer returns for replacement product only. No cash refunds.
- Replacement value must equal to original order amount. No credit will be issued for a lesser amount.
- Customer is responsible for return freight charges.
- Replacement orders must be placed within 30 days of return or credit will be void.
Most orders are shipped in 2 business days. If we do not have the item in stock, then it is back ordered and it will take 5 weeks. You will be notified via email about your order confirmation delivery date.
In case there are any issues with your order, you will be contacted by the Cratex Customer Service Department.