4" x 54" Glass Fabrication Sanding Belt, 9 PACK
4" x 54" Glass Fabrication Sanding Belt, 9 PACK
Available in stock (49999)
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Compact bench-mounted wet belt sanders in glass shops run a 4 x 54 belt: short enough to fit a bench, wide enough to flat-grind stock and bevel edges under a water flow. These silicon carbide belts are converted for that machine class, for edge sanding, bevel grinding and flat stock grinding on glass, mirror, stone and solid surface without the grain dulling or the backing coming apart wet.
Eleven grits from 50 through 800 cover the process from chip removal to pre-polish, and the 9-pack size suits a small shop or a single machine that carries two or three grits. We convert these belts in Anaheim, California and make other lengths to order for machines that fall between standard sizes.
- Silicon carbide grain for glass, stone, tile, plastics and composites
- Wet-capable cloth backing built for flood-coolant bench belt sanders
- Eleven grits, 50 through 800: chip removal, satin edges and pre-polish
- Four inch width flat-grinds stock and keeps bevel lines straight
- 9 belts of one grit per pack; case pricing on request
- Converted in Anaheim, California; custom lengths in about 3 days
Which grit should you choose for flat stock grinding and bevels?
Every variant is silicon carbide; you choose the grit. A bench wet sander usually carries one coarse belt for shaping and one or two finer belts for finishing, so most shops buy two or three grits from this list.
- 50 and 60 grit: flat stock grinding to size, bevel roughing, removing chips and score-break on fresh-cut glass, shaping stone and solid surface.
- 80 and 100 grit: the everyday edge-sanding grit that removes the coarse scratch and leaves a clean seamed edge.
- 120 grit: refining exposed edges. This size does not include 150, so step 120 to 180 on polished work.
- 180 and 220 grit: satin or seamed finish on shelves, mirrors and table tops that stay matte.
- 320 and 400 grit: smooth matte and the minimum before a cork belt.
- 600 and 800 grit: pre-polish for edges going to cerium oxide.
For stone and quartz, 60 to 80 to shape and 220 to 400 before polishing pads. For acrylic, 120, 220 and 400 then flame or buff. For fiberglass, 50 to 80 to fair and 120 to 220 to finish.
Grit guide for glass on a 4 x 54 wet belt sander
| Grit | Use it for | Notes |
|---|---|---|
| 50–60 | Flat stock grinding, bevel roughing, chips | Full water flow, light feed |
| 80–100 | Seamed edge, bevel refinement | Removes the coarse scratch |
| 120 | Exposed edge refinement | Next step is 180 in this size |
| 180–220 | Satin finish | Stopping point for matte edges |
| 320–400 | Smooth matte, pre-polish | Minimum before cork |
| 600–800 | Fine pre-polish | Fastest route to clear polish |
Which machines take a 4 x 54 belt?
- Bench-model wet belt sanders for glass, the compact machines with a water tray and a vertical or inclined platen that take a 4 inch by 54 inch belt.
- Small vertical belt grinders in stone, solid-surface and plastics shops built for this size.
- Lapidary and art-glass studio belt sanders of the same size.
We do not list a specific model for this length; confirm the belt size in the machine manual or measure an old belt along its inside. Check the inside of the new belt for a direction arrow before mounting and run it that way. Release the tension, centre the belt on both wheels, re-tension, then jog the machine and adjust tracking before opening the water. Re-check tracking after the first few pieces, as a new belt settles slightly once it is wet and warm.
How to get the most out of it
- Water first. Open the flow across the full belt width before the glass touches the belt. Water keeps the edge cool enough to avoid micro-checks, floats the swarf away, and controls silica dust. If you run dry, use extraction and a fitted respirator.
- Feed the glass to the belt, not into it. Light, even pressure with the piece always moving. Pressure chips glass and glazes silicon carbide.
- Flat stock grinding: hold the piece square to the platen and sweep it across the full 4 inch width so the belt wears evenly and the edge stays flat.
- Bevels: set the angle against the rest or a fence and keep it constant along the whole stroke; a wobble shows as a wavy bevel line.
- Step one grit at a time and rinse the piece between belts so coarse grit never rides onto the fine belt.
- Empty and rinse the water tray when it clouds, drain the machine at the end of the shift, and store spare belts hanging or loosely coiled, out of sunlight and damp.
Use it for / don't use it for
Use it for
- Flat stock grinding and edge sanding on float glass, mirror and laminated glass
- Bevel grinding on shelves, table tops and decorative glass
- Shower door and cabinet glass edge finishing
- Granite, marble, quartz, tile and solid-surface edges
- Acrylic, polycarbonate and fiberglass parts
- Art glass and lapidary studio work
Don't use it for
- Steel or weld grinding; silicon carbide wears fast on ferrous metal
- Dry glass work without extraction and a respirator
- Polishing to clear; that is the job of the 4 x 54 cork belt with cerium oxide
- Machines built for other lengths; 54 inches must match the manual
Where does the 4 x 54 cork belt come in?
Silicon carbide takes the edge to a fine matte; the clear polish comes from the 4 x 54 cork belt, an ungritted polishing carrier that mounts on the same machine. Finish the silicon carbide sequence at 400 or 800, rinse the glass, mount the cork belt, charge it with cerium oxide slurry and run it wet at moderate speed with light pressure. Re-charge when the cut slows. Cork will not remove a scratch coarser than about 400 grit, and it should never run dry against glass with compound caking on it.
Specifications
| Size | 4 inch x 54 inch |
|---|---|
| Abrasive grain | Silicon carbide |
| Backing | Cloth, wet/dry capable |
| Coat | Closed coat |
| Joint | Check inside of belt for direction arrow before mounting |
| Grits offered | 50, 60, 80, 100, 120, 180, 220, 320, 400, 600, 800 |
| Pack quantity | 9 belts, one grit per pack |
| Wet or dry | Both; wet recommended on glass and stone |
| Fits | Bench wet belt sanders and vertical grinders that take a 4 x 54 belt |
| Polishing companion | 4 x 54 cork belt, 6 pack |
| Converted in | Anaheim, California |
| Custom sizes | Made to order in about 3 days |
Frequently asked questions
Can these 4 x 54 belts be run wet on a bench belt sander?
Yes, and that is how they are meant to be used on glass. The silicon carbide grain is bonded to a cloth backing that does not soften or delaminate under continuous water, so the belt runs under the flow of a bench wet sander all day. Wet grinding keeps the edge cool, prevents micro-chips and controls silica dust.
Which grit is best for flat stock grinding glass to size?
Use 50 or 60 grit to take stock down quickly and square the edge, then 80 or 100 to remove the coarse scratch. If the edge will be seen, continue to 120, then 180 or 220 for a satin finish. Hold the piece square to the platen and sweep it across the full belt width so the edge stays flat.
Why is 150 grit not offered in the 4 x 54 size?
This size is stocked in eleven grits, 50 through 800, without 150. Stepping from 120 to 180 is a single grade and keeps within the rule of never skipping more than one grit, so it does not affect the finish. If your process specifically calls for 150, we can convert it as a custom order in about 3 days.
Why are these belts sold in a pack of 9?
A 4 x 54 wet sander is usually a single-machine setup in a small shop, so a pack of 9 belts of one grit gives a sensible stock of each grit without tying up money in a large case. Most shops buy a coarse, a medium and a fine grit. For case quantities or bulk pricing call 714-646-3299 or email sales@maverickabrasives.com.
Will a 4 x 54 silicon carbide belt work on granite or quartz countertop edges?
Yes. Silicon carbide is the standard grain for granite, marble, quartz, engineered stone, solid surface and porcelain. Run the same wet technique as glass: shape at 60 to 80, refine at 120 to 220, stop at 320 to 400 and finish with your stone polishing pads. Rinse the machine between stone and glass work.
How do I stop a new belt drifting off the wheels?
Drift is a tracking setting, not a belt fault. Mount the belt centred with the tension released, tension it, then jog the machine and adjust the tracking knob until the belt runs true before opening the water. A new belt settles slightly once it is wet and warm, so re-check tracking after the first couple of pieces.
Can you make a 4 inch belt to a different length?
Yes. We convert belts in Anaheim, California and can make a 4 inch wide silicon carbide belt to whatever length your wet belt sander needs, normally in about 3 days. Send the length from the manual or measure an old belt along the inside. Orders over $200 ship free and unused packs can be returned within 30 days.
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