Introduction to Abrasive Mounted Points
Abrasive mounted points are a versatile tool used for grinding, cutting, sharpening, and finishing applications. They consist of abrasive grains bonded onto a variety of backings and come in many shapes like wheels, discs, cones and plugs. Selecting the right abrasive mounted point is key to achieving the desired results on your project.
Common Types of Abrasive Mounted Points
- Grinding and sanding wheels - Used for smoothing, shaping and removing material. They have a disc or cylinder shape.
- Cutting and grinding discs - Thinner discs used for cutting or grinding metals and masonry. Good for confined spaces.
- Diamond points - Industrial diamonds bonded to a metal shank for precision grinding. Used on glass and ceramics.
- Mounted stones - Smaller abrasive points for sharpening, honing and grinding in tight areas.
Factors to Consider
There are several factors to take into account when selecting abrasive mounted points:
| Abrasive Type | Aluminum oxide, silicon carbide, zirconia alumina, and diamond are common abrasives used. |
| Grit Size | Coarse grits remove material faster while fine grits provide a smoother finish. |
| Bond Type | The bond holds the abrasive grains and affects durability. Vitrified, resinoid, rubber, shellac and silicate bonds are available. |
| Arbor Size | Ensure the arbor hole fits your power tool's spindle. |
| RPM Rating | Do not exceed the maximum speed rating to prevent breakage. |
Proper Use
Follow these tips for safe, effective use of abrasive mounted points:
- Wear eye protection and a dust mask when using.
- Let the tool do the work, don't apply excessive pressure.
- Use the correct RPM speed and allow time for the tool to come to full speed before starting.
- Make sure the workpiece is secured and the area is clear of bystanders.
- Avoid breathing in dust by working in a well-ventilated area.
Top Abrasive Mounted Point Products
Here are some top-rated abrasive mounted points on the market:
- Norton 3X Grinding Wheels - Aluminum oxide wheels ideal for steel and automotive work.
- PFERD Grinding Discs - Thin cut-off wheels for metal, stainless steel and other materials.
- Diamond Tech Diamond Burr Set - 20-piece set for grinding ceramics, glass, and precious metals.
- Weiler 7-Piece Mounted Point Set - Assorted silicon carbide points for sharpening and deburring.
With the right abrasive mounted point for your application, you can achieve professional grinding, cutting, and finishing results. Be sure to consider your project needs when selecting grit type, size, bond, shape, and speed rating.
Common Uses and Applications of Abrasive Mounted Points
Abrasive mounted points have many uses across different trades thanks to their ability to grind, blend, sharpen, and smooth. Here are some of the most common applications for these versatile tools.
Grinding and Sharpening
Mounted grinding points excel at grinding, sharpening, and deburring metal. Some examples include:
- Sharpening drill bits, knives, scissors, and garden tools
- Grinding welds smooth
- Removing burrs and imperfections from metal parts
- Shaping and sharpening lathe tools
Slower RPM discs work well for precision grinding while higher speed discs quickly remove material. Match the abrasive grit and bond to the material and application.
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Cutting and Slotting
Thin cutting discs make quick work of slicing through metal or masonry. Cut-off wheels can be used to:
- Cut steel bars, tubes, bolts, screws and rebar
- Slot or groove materials
- Remove welds
- Cut ceramic tile, brick, and concrete
Ensure you choose the proper disc thickness, abrasive type, and RPM rating for the material being cut.
Sanding and Blending
Sanding and blending wheels smooth rough surfaces and blend edges. Use them to:
- Smooth welds
- Blend paint or finish coats
- Remove rust from auto bodies
- Sand wood prior to finishing
Finer grits produce smoother final finishes. Soft bond wheels adapt to contours well for auto body work.
Shaping and Profiling
Grinding and sanding discs can profile parts and shapes. Applications include:
- Contouring and shaping parts
- Cleaning up castings
- Profiling decorative edges
- Forming a bevel or curve
Use stacked discs on a right angle grinder for greater versatility in shaping profiles.
Die Grinding
Small mounted points and burrs are designed for die grinding in tight areas. Uses include:
- Grinding injection mold cavities
- Engraving lettering in molds
- Deburring and polishing machined parts
- Grinding compressed spots on metal dies
Quality diamond and carbide burrs stand up to prolonged die grinding while providing a precise, smooth finish.
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More Applications
Additional uses for abrasive mounted points:
- Grinding tungsten for TIG welding
- Honing engine cylinders
- Grinding ceramics, glass, and stone
- Removing adhesives and mastics
- Grinding and polishing jewelry
With the variety of products available, abrasive mounted points can tackle just about any grinding, blending, or sharpening need.
Types of Abrasive Mounted Points
There are several major types of abrasive mounted points, each designed for particular uses and materials.
Grinding and Sanding Wheels
Grinding and sanding wheels have an abrasive disc or cylinder shape. They are used for general purpose grinding, deburring, blending, and finishing on metals, wood, composites, and other materials.
- Straight wheels - Most common type, used for surface grinding, cutting, and stock removal on flat surfaces.
- Tapered wheels - Provide clearance for grinding weld joints and contours.
- Cylinder wheels - Designed for blending and finishing flat or curved surfaces.
- Cup wheels - Have a recessed grinding surface able to shape concave areas.
- Saucer wheels - Resemble inverted cups, good for convex shapes.
Cutting and Grinding Discs
Cutting and grinding discs are thin, flat discs designed to cut through or grind metal and masonry. They are often referred to as cut-off wheels.
- Metal cutting discs - Optimized for cutting steel, aluminum, and other metals.
- Masonry discs - For cutting tile, concrete, stone, and ceramic.
- Multi-purpose discs - Can cut both metal and masonry materials.
Diamond Points
Diamond points consist of industrial grade diamonds bonded to a steel shank. They are extremely hard and ideal for grinding and shaping ceramic, glass, gemstones, and other hard, brittle materials.
Mounted Stones
Mounted stones, also called mounted points or mounted wheels, are small grinding points used for grinding, honing, and sharpening. They come in a variety shapes including cones, spheres, cylinders, flame, and different edge profiles.
Common types of mounted stones include:
- Aluminum oxide stones - For grinding steel and ferrous metals.
- Silicon carbide stones - Used on non-ferrous metals, fiberglass, and plastics.
- Borazon stones - Made of cubic boron nitride, extremely hard and wear resistant.
- Ceramic mounted stones - Use aluminum oxide ceramic grains to resist loading.
Mounted stones are commonly used with die grinders but also work with drills, dremels, and flexible shaft machines.
Factors to Consider
When selecting abrasive mounted points, consider the:
- Abrasive type - aluminum oxide, silicon carbide, zirconia, diamond, etc.
- Grit size - for coarse to fine finishes.
- Bond type - affects durability and applications.
- Backing - materials like fiberglass increase durability.
- Shape - wheels, discs, cones, spheres, cylinders, etc.
Match the product characteristics to your specific application and material for best results.
Grinding and Sanding Wheels
Grinding and sanding wheels are abrasive discs used for a variety of grinding, blending, sharpening, smoothing, and finishing applications. They come in many shapes, grit types, and bonds to match specific uses.
Common Shapes
- Straight wheels - Most common, used for flat surfaces and general purpose grinding.
- Tapered wheels - Provide clearance for contoured surfaces and grinding in corners.
- Cylindrical wheels - Used for flat or curved surfaces and wide grinding areas.
- Cup wheels - Have a recessed grinding surface to shape concave areas.
- Saucer wheels - Resemble inverted cups, good for convex shapes and contours.
- Flaring cup wheels - Have a widened flared edge to reach into angles.
Abrasive Types
Common abrasives used on grinding and sanding wheels include:
- Aluminum oxide - Cost effective, ideal for most steels and metals.
- Silicon carbide - Harder and sharper than aluminum oxide.
- Zirconia alumina - Excellent for grinding cast iron.
- Ceramic alumina - Resists loading when grinding soft metals.
- Seeded gel - Cooled crystalline form that fractures for consistent cutting.
Grit Sizes
Grit size refers to the coarseness of the abrasive grains on the wheel. Common sizes include:
- Extra coarse - 24-36 grit, fast material removal
- Coarse - 16-24 grit, aggressive cutting
- Medium - 36-60 grit, moderate material removal
- Fine - 80-120 grit, light cutting and smoothing
- Extra fine - 150-220 grit, polishing and finishing
Wheel Bonds
Bond types used in grinding and sanding wheels include:
- Vitrified - Most common, provide high material removal rates.
- Resinoid - Softer bonds used on applications requiring a fine finish.
- Silicate - Excellent resistance to wear and loading.
- Rubber - Flexible wheels good for contoured surfaces.
- Shellac - Used for fine grit wheels and thin parts.
Choosing the right wheel shape, abrasive, grit size, and bond is key to optimizing grinding and sanding performance for the application.
How to use your Amazon Prime to buy Abrasive Mounted Points
Having an Amazon Prime membership gives you access to a number of benefits when purchasing abrasive mounted points and other products on Amazon. Here are some tips on how to maximize your Prime membership for buying mounted abrasives.
Take Advantage of Free Two-Day Shipping
One of the best perks of Amazon Prime is free two-day shipping on millions of eligible items. When shopping for mounted abrasive products like grinding wheels, cut-off discs, and mounted stones, look for the "Prime Eligible" tag to get free expedited delivery.
This allows you to get your abrasive orders fast, avoiding lengthy standard shipping times. It's perfect when you need mounted points quickly for a job or project.
Browse the Prime-Only Deals
Check the Prime Day page regularly. Amazon offers Lightning Deals and other promotions exclusively for Prime members. You can find discounted prices on popular abrasive brands during these sales.
For example, Prime Day specials may include savings on packs of cutting and grinding wheels from brands like DeWalt, Makita, and Milwaukee.
Use Prime to Research Products
The Prime membership gives you access to helpful buying resources for choosing the right mounted abrasive points.
Read product reviews from other customers. Watch demonstration videos that showcase wheels and discs in action. Use the abrasive buying guide to determine the right specs and features you need.
Create Reorders for Frequently Used Items
For mounting points you use often, like certain grits and sizes of grinding and cut-off wheels, use the Amazon Prime reorder feature. This allows you to quickly buy replacements, so you never run out of your go-to abrasives.
Setting up reorders saves you time. The items ship automatically on the schedule you designate using your Prime two-day delivery.
Getting the most out of an Amazon Prime membership means taking advantage of the perks to shop smarter. Use it to get quick delivery, discounts, and purchasing assistance for all your abrasive mounted point needs.
Get To Know Abrasive Mounted Points
Abrasive Mounted Points are small bonded abrasives or superabrasive wheels that come in a variety of shapes, including ball, point, cone, cylinder, or bullet. They are mounted on a pin or mandrel for portable die grinder and deburring applications. Abrasive Mounted Points are versatile and can be used for a wide range of applications, including grinding, finishing, deburring, and edge-breaking. They are available in different abrasive grain types, including aluminum oxide, ceramic, silicon carbide, alumina-zirconia, synthetic diamond, cubic born nitride (CBN), tungsten carbide, and abrasive grains with a metal layer or coating. Abrasive grain size is usually specified according to ANSI, FEPA, or JIS standards. To achieve the desired results, it is important to choose the most suitable Abrasive Mounted Point for your application. Master Abrasives and PFERD are two companies that offer a wide range of high-quality Abrasive Mounted Points.
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What Are The Different Shapes Of Abrasive Mounted Points?
Abrasive Mounted Points come in a variety of shapes, including:
The choice of shape depends on the specific application and material being worked on.
What Are The Most Common Materials Used To Make Abrasive Mounted Points?
Abrasive Mounted Points can be made from a variety of materials, including:
The choice of material depends on the specific application and material being worked on.
