Forney 72318 Cut-Off Wheel, Type 27 Metal with 5/8-Inch Arbor, A46T-BF, 7-Inch by 1/16-Inch
- Aluminum oxide metal cutting wheel
- Designed for metal cutting, metal abrasion, body work, metal fabrication and general repair work
- Used on ferrous materials
- Designed to be used on right angle grinders only
- Double bonded
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The Forney 72318 7-Inch Type 1 Steel Cutting aluminum oxide metal cutting wheel. Designed for metal cutting, metal abrasion, body work, metal fabrication and general repair work. Used on ferrous materials. Designed to be used on die grinders, angle grinders and circular saws. 7-Inch (17.78 cm) by 1/16-Inch (1.59 mm) with 5/8-Inch (15.88 mm) arbor. A46T-BF with 10,200 Max RPM. Typical Spec Example A24R-BF: A=Used for Steel, 24=Grit (Coarse), R=Medium to Hard Bond. The First series of letters indicates Grain Type; A=Aluminum Oxide (Used in Metal Applications) C=Silicon Carbide (Used for Masonry Applications) ZA= Alumina Zirconium used for (Stainless Steel and Ferrous Metal Applications) TA=Ceramic Treated Aluminum Oxide (Used for Metal Applications) The Second series of letters indicates Grain Size or Grit; 8-24=Coarse, 30-60=Medium, 70-180=Fine and 220-Up=Hard. The Third series of letters indicates Bond Hardness; A-N=Soft, O-S=Medium and T-Z=Hard. The Fourth series of letters indicates type of Bond; BF=Retinoid Fiberglass Reinforced (Double Bonded), E=Shellac, R=Rubber and V=Vitrified. Wheel Types; Type 1=Flat Wheel for Cutting, Type 27=Depressed Center Wheel, Type 28=Hat Shaped for Grinding and Type 29=Flap Disc for Grinding and Finishing. Note: Harder Wheel have a longer life where a softer wheel will cut faster. Fine Grain=Long Life=Slower Cutting and Grinding. Coarse Grain=Short Life=Fast Cutting or Grinding. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.
From the manufacturer
|TYPE||Type 29||Type 27||Type 28||Type 11||Type 1|
|A small or large angle grinder is recommended for Type1, Type 11, Type 27, Type 28 and||Flap disc with a flexible design for smoothing and grinding contoured surfaces||Depressed center wheel for grinding, notching and cutting||Saucer-shaped grinding wheel for greater coverage and improved user visibility||Flaring cup for grinding and snagging over large surface areas.||Disc with mounting hole|
|Type 29 grinding and cut-off wheels. 12-inch and 14-inch cut-off wheels can be used with||Reversed, saucer-shaped grinding rims||Depressed center||Depressed center||Cup wheel||Also called a straight wheel|
|chop saws, portable saws and 'road saws' depending on application||combo 1/8"||Specifically designed for use on cutting machines||Similar to the Type 27 wheel but angled upward and away from mounting hole||Designed for removal of large amounts of stock||Grinding done on the periphery (outside curve) of the wheel|
|In all cases of the use of any blade, the type of tool will be indicated on the label||Tool to use: Angle grinder||Manufactured with flat grinding rims/faces and designed for: side grinding when held at a slight angle and may be used flat when grinding concrete||Saucer-shaped grinding rim designed for corner grinding and side grinding||Tool to use: Angle grinder||cut-off under 1/8"|
|Be sure not to exceed maximum RPM requirements stated on the wheel||Position: 15°||grinding 1/4" combo 1/8" and cut-off under 1/8"||grinding 1/4"||Position: 30°||Tool to use: Angle grinder|
|Tool to use: Angle grinder||Tool to use: Angle grinder||Position: 90°|
Fused aluminum oxide (AO) is the most common abrasive grain in use today. AO is extremely tough and durable but has no clearly defined crystal structure; when the grain wears it produces rounded edges.
Aluminum and ferrous metals.
During manufacturing aluminum oxide and zirconia are quenched from molten form which gives the grain a crystalline structure. This gives the grain a longer cutting life and is especially suited to coarser stock removal applications.
Heavy-duty grinding on all ferrous and non- ferrous metals.
Silicon carbide is the hardest of all common abrasive materials. It is very sharp, but friable, leaving new sharp edges for cutting. It is initially fast-cutting but has a short life span. It is ideal for use on non-ferrous metals like aluminum, brass, bronze, magnesium and titanium.
Non-ferrous metals, non-metallics.
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