Conveyance
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-Skip the quote process: Purchase products directly from our online shop with real-time pricing.
-Local Delivery from Philadelphia: Shipped via UPS and FedEx from our Philadelphia warehouse.
-Streamlined Procurement: Most orders are dispatched from Philadelphia within one week.
-Many special screw specifications that typically require custom manufacturing elsewhere are available as standard items from NBK.
These screws allow for the smooth conveyance of heavy objects.
The main ball is surrounded by multiple sub-balls, allowing the main ball to rotate 360° in any direction.
With a low friction coefficient, they allow workpieces to be conveyed with minimal force.

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|---|---|---|---|---|---|---|---|---|---|
| Part Name | Downward Ball Rollers - Hex Head Screw Type | Downward Ball Rollers - Tap Hole Type | Downward Ball Rollers - Flange Type | ||||||
| Part Number | BRDH | BRDT | BRDB | ||||||
| Feature | Downward Ball Roller | Downward Ball Roller Tap - HoleAttachment |
Downward Ball Roller | ||||||
| Material | Steel | Steel | Steel | ||||||
| Surface Treatment | Electroless nickel plating | Electroless nickel plating | Electroless nickel plating | ||||||
| Thread Size | M12 ~ M20 | M4 ~ M6 | - | ||||||
| Operating Temperature (℃) | - | - | - | ||||||
| CAD | CAD | CAD | CAD | ||||||
| Specifications | Specifications | Specifications | Specifications | ||||||
| List | BRDH-12 BRDH-16 BRDH-20 | BRDT-24 BRDT-30 BRDT-38 | BRDB-24 BRDB-30 BRDB-38 |
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