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Auger Screw Conveyor Coupling Bolts
Bolts for screw conveyors are manufactured using specific metal alloys to ensure longevity and strength. We supply these special assembly bolts for coupling assemblies, hangers, troughs flanges, trough ends, bolted covers, and supporting feet.
Screw Conveyor Coupling Bolts
These bolts are referred to as TEM-U-LAC bolts and are designed specifically for the couplings within a screw conveyor. They feature a hex head and specific threaded lengths so that the bolt doesn't project into the pipe walls, causing internal damage to the system. They also feature a special self-locking nut with a stainless steel pin that follows the bolt thread while the nut is being installed, this pin prevents the nut from vibrating or working its self loose which will cause damage or downtime. The pin easily loosens through when pressure is applied to the nut from a typical wrench.
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Shaft Diameter
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Pipe Size
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Bolt Size
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Weight (LBS)
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Dimension (A)
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Dimension (B)
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| 1" | 1-1/4" | 3/8" x 2-1/8" | 0.1 | 1/2" | 3/8" |
| 1-1/2" | 2" | 1/2" x 3" | 0.25 | 3/4" | 1/2" |
| 2" | 2-1/2" | 5/8" x 3-5/8" | 0.45 | 7/8" | 5/8" |
| 2-7/16" | 3" | 5/8" x 4-3/8" | 0.52 | 1" | 5/8" |
| 3" | 3-1/2" | 3/4" x 5" | 0.86 | 1-1/8" | 3/4" |
| 3" | 4" | 3/4" x 5-1/2" | 0.88 | 1-1/8" | 3/4" |
| 3-7/16" | 4" | 7/8" x 5-1/2" | 0.92 | 1-1/2" | 7/8" |
Assembly Bolts
Assembly bolts for screw conveyors are also hex-head machined from high-strength steel and come complete with lock washers and hex nuts|
Conveyor Part
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4 X 1 Bolt Size
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Bolt No.
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6 X 1-1/2 Bolt Size
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Bolt No.
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9 X 1-1/2 Bolt Size
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Bolt No.
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9 X 2 Bolt Size
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Bolt No.
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|---|---|---|---|---|---|---|---|---|
| Conveyor Coupling | 3/8" x 2-1/8" | 4 | 1/2" x 3" | 4 | 1/2" x 3" | 4 | 5/8" x 3-5/8" | 4 |
| 326 Hanger | 3/8" x 1" | 4 | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 3/4" x 1-1/4" | 4 |
| 216 Hanger | 3/8" x 1" | 4 | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 3/4" x 1-1/4" | 4 |
| 220 Hanger | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 3/8" x 1" | 4 |
| 226 Hanger | 3/8" x 1" | 4 | 3/8" x 1-1/4 | 4 | 3/8" x 1-1/4" | 4 | 3/4" x 1-1/4" | 4 |
| 230 Hanger | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 3/8" x 1" | 4 |
| 260 Hanger | - | - | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 3/8" x 1" | 4 |
| 270 Hanger | - | - | 3/8" x 1-1/4 | 4 | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 |
| Trough Flange | 3/8" x 1" | 6 | 3/8" x 1" | 6 | 3/8" x 1" | 8 | 3/8" x 1" | 8 |
| Trough End | 3/8" x 1" | 6 | 3/8" x 1" | 6 | 3/8" x 1-1/4" | 8 | 3/8" x 1-1/4" | 8 |
| Bolted Cover | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 |
| Supporting Foot | 3/8" x 1-1/4" | 2 | 3/8" x 1-1/4" | 2 | 3/8" x 1-1/4" | 2 | 3/8" x 1-1/4" | 2 |
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Conveyor Part
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10 X 1-1/2 Bolt Size
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Bolt No.
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10 X 2 Bolt Size
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Bolt No.
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12 X 2 Bolt Size
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Bolt No.
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12 X 2-7/16 Bolt Size
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Bolt No.
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|---|---|---|---|---|---|---|---|---|
| Conveyor Coupling | 1/2" x 3" | 4 | 5/8" x 3-5/8" | 4 | 5/8" x 3-5/8" | 4 | 5/8" x 4-3/8" | 4 |
| 326 Hanger | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 216 Hanger | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 220 Hanger | 3/8" x1" | 4 | 3/8" x 1" | 4 | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/4" | 4 |
| 226 Hanger | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 230 Hanger | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/4" | 4 |
| 260 Hanger | 3/8" x 1" | 4 | 3/8" x 1" | 4 | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/4" | 4 |
| 270 Hanger | 3/8" x 1-1/4" | 4 | 3/8" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| Trough Flange | 3/8" x 1" | 8 | 3/8" x 1" | 8 | 1/2" x 1-1/4" | 8 | 1/2" x 1-1/4" | 8 |
| Trough End | 3/8" x 1-1/4" | 8 | 3/8" x 1-1/4" | 8 | 1/2" x 1-1/2" | 8 | 1/2" x 1-1/2" | 8 |
| Bolted Cover | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 |
| Supporting Foot | 3/8" x 1-1/4" | 2 | 3/8" x 1-1/4" | 2 | 1/2" x 1-1/2" | 2 | 1/2" x 1-1/2" | 2 |
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Conveyor Part
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12 X 3 Bolt Size
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Bolt No.
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14 X 2-7/16 Bolt Size
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Bolt No.
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14 X 3 Bolt Size
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Bolt No.
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16 X 3 Bolt Size
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Bolt No.
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|---|---|---|---|---|---|---|---|---|
| Conveyor Coupling | 3/4" x 5" | 4 | 5/8" x 4-3/8" | 4 | 3/4" x 5" | 4 | 3/4" x 5" | 4 |
| 326 Hanger | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 216 Hanger | 1/2" x 1-1/2" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 |
| 220 Hanger | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 226 Hanger | 1/2" x 1-1/2" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 |
| 230 Hanger | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 260 Hanger | 1/2" x 1-1/4" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 | 1/2" x 1-1/2" | 4 |
| 270 Hanger | 1/2" x 1-1/2" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 | 1/2" x 1-3/4" | 4 |
| Trough Flange | 1/2" x 1-1/4" | 8 | 1/2" x 1-1/4" | 8 | 1/2" x 1-1/4" | 8 | 5/8" x 1-3/4" | 8 |
| Trough End | 1/2" x 1-1/2" | 8 | 1/2" x 1-1/2" | 8 | 1/2" x 1-1/2" | 8 | 5/8" x 1-3/4" | 8 |
| Bolted Cover | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 |
| Supporting Foot | 1/2" x 1-1/2" | 2 | 1/2" x 1-1/2" | 2 | 1/2" x 1-1/2" | 2 | 5/8" x 1-3/4" | 2 |
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Conveyor Part
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18 X 3 Bolt Size
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Bolt No.
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20 X 3 Bolt Size
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Bolt No.
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20 X 3-7/16 Bolt Size
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Bolt No.
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24 X 2-7/16 Bolt Size
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Bolt No.
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|---|---|---|---|---|---|---|---|---|
| Conveyor Coupling | 3/4" x 5" | 4 | 3/4" x 5" | 4 | 7/8" x 5-1/2" | 4 | 7/8" x 5-1/2" | 4 |
| 326 Hanger | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 |
| 216 Hanger | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 |
| 220 Hanger | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 |
| 226 Hanger | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 |
| 230 Hanger | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 |
| 260 Hanger | 5/8" x 1-1/2" | 4 | 5/8" x 1-1/2" | 4 | - | - | - | - |
| 270 Hanger | 5/8" x 1-3/4" | 4 | 5/8" x 1-3/4" | 4 | - | - | - | - |
| Trough Flange | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 12 |
| Trough End | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 10 | 5/8" x 1-3/4" | 12 |
| Bolted Cover | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 | 5/16" x 1" | 10 |
| Supporting Foot | 5/8" x 1-3/4" | 2 | 5/8" x 1-3/4" | 2 | 5/8" x 1-3/4" | 2 | 5/8" x 1-3/4" | 2 |
Frequently Asked Questions
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If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!
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USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US
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In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US
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If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.
Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.
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Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.