HP MOUNTED Silicon Carbide Stone · Red (#R8) 12pk — verify shape
KEYSTONE Red MOUNTED Silicon-Carbide STONES are the general-purpose lab-bench abrasive for everyday workflow — acrylic adjustment, plaster reduction, base-metal trimming, and other miscellaneous grinding tasks where a specialty color (green for porcelain, pink for noble metals, blue for chrome-cobalt) is not needed. The Red bond is the all-around utility option — slightly coarser than pink, slightly less aggressive than green — suitable for bench cleanup and routine tasks.
| Brand | KEYSTONE Industries |
|---|---|
| Manufacturer | KEYSTONE Industries |
| Country of origin | USA |
| Product line | HP MOUNTED Silicon Carbide Stone |
| Variant / Sub-line | Red (#R8) 12pk — verify shape |
| Application | Lab bench general-purpose grinding — acrylic, plaster, base metals |
| Style / Shape | #R8 |
| Size | (verify shape — R8 series) |
| Color | Red |
| Package | 12pk |
| Shipping weight (g) | 260 |
| Manufacturer item # | 1631141 |
| USDD item # | 446620 |
KEYSTONE HP-shank MOUNTED silicon-carbide STONES are laboratory bench tools, not intraoral medical devices. Intended for use by dental technicians on bench straight handpieces. Manufactured by KEYSTONE Industries.
Looking for alternatives? Here are equivalent products from other manufacturers carried by USDD, serving the same clinical or laboratory purpose. The KEYSTONE Industries HP MOUNTED Silicon Carbide Stone row is highlighted at the top.
| Brand · Line | Product | MFG# | USDD# | Package | Feature |
|---|---|---|---|---|---|
| CURRENT KEYSTONE Industries · HP MOUNTED Silicon Carbide Stone | KEYSTONE HP #R8 Red MOUNTED points, For Chrome Processors, 3/32in Shank, Packa | 1631141 | 446620 | 12pk | Red (#R8) 12pk — verify shape |
| Shofu · Shofu Dental STONES | Shofu MOUNTED silicon-carbide stone (color-coded) | 0050xx | 12 per box | Color-coded SiC bond, multiple grit grades | |
| Brasseler · Brasseler Lab | Brasseler MOUNTED abrasive stone, HP | S-HPxx | 12 or 72 per box | HP-shank silicon-carbide MOUNTED POINT | |
| Dedeco · Dedeco | Dedeco MOUNTED stone, HP shank, color-coded | DD-Mxx | 12 per box | HP-shank silicon-carbide MOUNTED POINT | |
| NTI · NTI Kahla | NTI HP-MOUNTED silicon-carbide stone | NTI-Sxx | 12 per box | Made in Germany, HP-MOUNTED SiC STONES | |
| House Brand · USDD Lab | USDD-line HP-MOUNTED silicon-carbide stone | USDDM-x | 12 per box | Value-tier HP-MOUNTED SiC, color-coded |
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