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1 TOPLINE

2 METHOD OF PRODUCT IDENTIFICATION GRAIN TYPE GRIT SIZE GRIT COMBINATION HARDNESS STRUCTURE TYPE OF BOND BOND CODING 1A 46 3 L 5 V T Abrasive Type Grit Size Grit Combination Grade Structure Bond System Topline Symbol Aluminum Oxide Brown 1A White 2A Mixed Brown & White 3A Pink 4A Mixed pink & White 6A Silicon Carbide Green 6G Black 5C Mixed Green & Black 6CG Zirconium Aluminum Oxide Ex. Coarse Coarse Medium Fine Soft Medium Hand E F G H I J K L M N O P Q R S T U Dense Open 9... Upto 35 V Vitrified B Resinoid VT1, VT2, VT3, VT4, VT5, VT6, etc., VS145, VS245, VTA VSB, BT, BF SIZE 200 X 13 X Diameter X Thickness X Bore

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4 Abrasive Grit Hardness Type Bond 8M 46,60, 80, 100, 120 F, G, H, I, J, K, L, M 1 VT6 Diameter Thickness Bore D (mm) T (mm) B (mm) Speed (rpm) 4 1/4 3/ /4-1 1 ¼ /4, 3/4 1/ , /4-1 1 ¼ /8 1 ¼ /4-1 1 ¼ /8 1 ¼ , , / /2-2 3, , ¼ , , /2, 1 1/2, , 38, Abrasive Grit Hardness Type Bond 6G, 6CG 60, 80, 100, 120 K, L, M 1 VTA Diameter Thickness Bore D (mm) T (mm) B (mm) Speed (rpm) 6 1/2 1 ¼ /2, 1 1 ¼ , /2, 1 1 ¼ , / , 1 1/ , Abrasive Grit Hardness Type Bond 5C 60 M 1 VTA 3 1 1/ /2 1/2, ¾ , Abrasive Grit Hardness Type Bond 4A 46, 60 H, I, J, K 1 VT3 7 1/2 1 ¼ /2 1 ¼

5 OFFHAND GRINDING WHEELS Reduce operator fatigue and increase wheel life in one shot. Used in bench, pedestal and portable grinders for stock removal, tool sharpening and smoothening of weld seams. User segments Foundry & fabrication Hand tools Do It Yourself Agri implements General engineering The TOPLINE advantage Special bond system for free cutting reduces operator fatigue Different abrasive grains give the optimal solution for different materials Designed for wheel life and performance TOPLINE Recommendations Material TOPLINE specification Iron/general use 1A 24 R5 VS6 Non-ferrous material 5C 24 S5 VTB Abrasive Grit Hardness Type Bond 6CG 60, 80, 100, 120 K, L, M 1 VTA 6 1/2, 3/41, 1 1/ , , , 1 1/ , , 1 1/ , / /4, 1 1/ ,

6 Abrasive Grit Hardness Type Bond 1A 24, 36, 46, 60, 80, 100, 120 P,Q,R,S,T 1 VT1 / VT2 5 1/ /2-1 1, 1 1/ , /4 1, 1 1/ , / / , 1 1/2 1 1/ , 1 1/ , /2, , /2, , /8, , /8, 2 1 1/2, , , Enriching ECHNOLOGY

7 CYLINDRICAL GRINDING GENERAL PURPOSE Generate perfectly sized parts in a flash Used in O.D. grinding of gear shafts, splined shafts, transmission shafts, valves, plunger pins, eye bolts, bearing races etc. User segments Automotive Bearing industry General engineering Tool and die industry The TOPLINE advantage Increased productivity due to higher stock removal and freer cutting Fine surface finish Reduced rework Reduced loading and dressing frequency TOPLINE Recommendations Material Soft steel, Hardened Steel High speed steel Stainless steel Tungsten carbide General purpose Chilled cast iron, non ferrous material TOPLINE specification 1A 463 L5 VS10 2A 46/54 K5 VS8 5C 363 N5 VSA 6G 60 L5 VSA 1A 463 L5 VS10 5C 60 J5 VSA Abrasive Grit Hardness Type Bond 1A 60 K, L, N 1 VT , , , 1 5/8, , 40, / / Abrasive Grit Hardness Type Bond 2A 46, 54, 60 K 1 VT3 12 1, , /

8 Abrasive Grit Hardness Type Bond 3A 46, 60, 80, 100 H, I, J, K 1 VT4 16 1/ /2, 2, , 50, /2 5, , , , /2, 1 8, , , / , , , , /2, , Abrasive Grit Hardness Type Bond 8M 46 I 7 VT6 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (mm) Rec 2/S 10 1/2 x 1/ x Rec 2/S 11 1/2 x 1/ x Rec 2/S 11 1/4 x 1/ x Rec 2/S 11 1/4 x 1/ x Rec 2/S 12 1/4 x 5/ x Rec Side A 12 1/4 x 2: Side A 306 x 50; Side B 12 1/4 x Side B 306 x 25 Abrasive Grit Hardness Type Bond 1A 463,60,80 K, L, M 1 VT4 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (mm) /8 5 ROS 7 5/8x5/ ROS 190x /8 5 ROS 7 5/8x5/ ROS 190x /8, 2 5 ROS 7 5/8x5/ , ROS 190x /8 10 ROS 13x1/ ROS 325x /8 10 ROS 13x3/ ROS 325x10

9 CRANKSHAFT GRINDING WHEELS Crank up productivity without giving up a micron in surface finish. It is a special high-precision cylindrical grinding application used in the grinding of crankshafts for the automotive OEM and replacement markets. User segments Automotive (OEM and replacement segments) Defense Industrial motors The TOPLINE advantage Micron-perfect surface finish Excellent form retention Reduced dressing frequency and high grinding efficiency results in greater productivity Dual grits to grind shaft surfaces of different hardness TOPLINE Recommendations Material Forged steel soft Forged steel hard Cast iron Nodular iron Regrinding TOPLINE specification 1A 463 N5 VS10 1A 543 I5 VS10 3A 46 I5 VS10 2A 46 L5 VT6 1A 463 L5 VS10 Abrasive Grit Hardness Type Bond 1A 463, 543 K, L, M 1 VS2 14 1/2-7/ / / /4-1 1/ /8-1 3/ /4-1 1/ /4-1 3/ /4-1 3/ /4-1 3/ /4-1 3/4 8, 12, 17 3/ , 304.8, /4-2 8, , /

10 ROLL GRINDING WHEELS Roll on and on producing accurately dimensioned rolls with a superior surface finish. Used in rolling mills to grind hard work and back up rolls User segments Steel rolling mills General engineering Paper mills The TOPLINE advantage Premium abrasive grains ensuring better cutting action and smoother surface finish Proven bond system for reduced wheel wear Select from a variety of wheels to suit your grinding requirement TOPLINE Recommendations Material Cast iron (roughing) Cast iron (finishing) Hot mill: Chilled & Alloy (roughing) Hot mill: Chilled & Alloy (finishing) Cold mill: Back-up rolls (steel) Paper mill rolls TOPLINE specification 5C 36 J5 BT 5C 80 I5 BT 6G 36 J8 BTX 5C 46 J8 BTX 1A 46 K5 VS10 5C 46 F5 BT Abrasive Grit Hardness Type Bond 5C, 6G, 1A 24, 36, 46, 60, 80 H, I, J, K, L 1 BTX, VS

11 THREAD AND GEAR GRINDING Unmatched control on stock removal delivering high precision grinding solutions. Used in precision grinding applications on threads and gears requiring high dimensional accuracy. User segments Automotive Cutting tools General engineering The TOPLINE advantage High dimensional accuracy and form holding Fine surface texture Both single and multi-ribbed wheels for substantial metal removal TOPLINE Recommendations Description Gear grinding on conventional machines Gear grinding on CNC machines For 45/60/80 mps TOPLINE specification 4A 46 H8 VSGR 4A 46 H10 VSGR VS11T Abrasive Grit Hardness Type Bond 2A 54, 60, 80, 100, 120 F, G, H 1 VS11 4A 54, 60, 80, 100, 120 F, G, H 1 VS11 Dia. (mm) Thick. (mm) Bore (mm) Speed (rpm)

12 CENTRELESS GRINDING WHEELS Unmatched versatility. High performance grinding solutions for a range of components, materials and sizes. Commonly used in the grinding of bearings, bars, taps drills and a range of auto parts. User segments Automotive: Engine valves, gear shafts, fuel injection, gudgeon pins, pistons etc. Bearings: Taper rollers, bearing races and tracks Bar manufacturing: Grinding stainless steel bright bars etc. Cutting tools: Taps and drills The TOPLINE advantage Resinoid and vitrified bonds for a wide price-performance range Advanced bond systems for high performance on different materials Freer cutting and good component finish TOPLINE Recommendations Component Axels (Auto) Bolts Bushings (Hard) Bushings (Cast iron) Carbon steel/cast iron/copper Drills Ebonite Roller bearing cups (small dia) Bearing rollers Spine shafts Soft steel Hard steel High speed steel (roughing) Stainless steel Valve stems Valve tappets Tungsten carbide TOPLINE specification 1A 60 L5 VT4C 1A 60 M5 VT4C 1A 60 L5 VT4C 5C 463 L5 VSA 5C 463 L5 VSA 1A 60 M5 VT4C 5C 463 L5 VSA 1A 60 L5 VS10 1A 60 M5 VS10 1A 60 L5 VT4C 1A 60 N5 VT4C 1A 60 L5 VS10 1A 463 L5 VS10 5C 463 L5 VSA 1A 60 L5 VS10 1A 60 L5 VS10 6G 60 K5 VSA

13 Abrasive Grit Hardness Type Bond 1A 24, 36, 463, 54, 60, 80 K, L, M, O, Q 1 VT /4 5 5/ , 1 1/4, 1 1/ , 32, , 4, 6 5, , 100, , , , /2, 2 5, , , / / , , Abrasive Grit Hardness Type Bond 8M 46, 54, 60, 80, 90 C, H, I, J, K 1 B 7 1/ / /2 1 1/ , 1 1/ , , , , , , ,

14 RICE POLISHING WHEELS Minimize rice breakage and get the whitest rice. Used in the food processing industry to polish and whiten rice grains. User segments Rice mills The TOPLINE advantage Enhanced whitening Minimized breakage of rice reducing the total process cost Range of sizes for different machines and tooling TOPLINE Recommendations Component Boiled rice (heavy grains) Boiled rice Raw rice TOPLINE specification 5C 16 P5 VSC 5C 30 P5 VSC 6G 30 P5 VSC Abrasive Grit Hardness Bond 6G 24, 30, 36 1 VSC 5C 16, 24, 30, 36 1 VSC Dia. (mm) Thick. (mm) Bore (mm) Set Abrasive Grit Bond 6G 30, 36 VSC Dia. (mm) Thick. (mm) Bore (mm) Set Type Single Taper Single Taper Single Plain

15 Abrasive Grit Bond 5C 16, 30 VSC Dia. (mm) Thick. (mm) Bore (mm) Set Type Single Taper Single Taper Single Plain

16 SURFACE GRINDING SEGMENTS A shape and size for every surface grinding application. Used in rotary table surface grinding applications on differently shaped components User segments Automotive Cutting tools and dies The TOPLINE advantage Customizable shapes and sizes to suit your grinding requirement Advanced VS2 bond provides excellent cutting action and life Open structured VSPS bond gives performance in cool cutting applications Moderate price, high performance TOPLINE Recommendations Component Steel (hard) High speed steel TOPLINE specification 2A 36 I5 VSP 2A 46 H5 VSP Abrasive Grit Hardness Bond 2A, 6CG, 6G, 5C 36, 241 H, I, J VS2 / VS8 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 6 4 5/7 4 1/ / / / /

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18 Abrasive Grit Hardness Type Bond 6G 46, 120 H, K F B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) /2 7 3/ /2 1 5/ Abrasive Grit Hardness Type Bond 2A 36, 60 J, K F B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) /4 10 3/ /

19 quality & innovation IN GRINDING WHEEL TECHNOLOGY DEPRESSED CENTRE (DC) WHEELS

20 DEPRESSED CENTRE (DC) WHEELS Be it high stock removal, long life, price or all of them a wheel for your every need in the TOPLINE range of DC wheels Commonly used for de-burring, weld leveling, edge preparation, removal of rolling cracks, cutting runners and raisers, V-grooving and chamfering. User segments Chemical and process grinders Dairy Foundry and fabrication Pipe and grill manufacturing Weld grinding Steel and stainless steel Petrochemical maintenance The TOPLINE advantage Tailor made brands to cater to different requirements Reduced operator fatigue Safe and reliable Superior cut rates at affordable prices Abrasive Grit Type Bond 1A 24, BF 3 1/4 3/ /32 5/ /4 3/8-5/ /2 3/16 7/ /2 1/4 5/8, 7/ , /5 7/ /4 5/8, 7/ , /7 7/ /4 5/8, 7/ , /4 7/ , /4 7/ /7 7/ /4 5/8, 7/ , /7 5/8, 7/ , TOPLINE G03 Designed for greater wheel life with optimum cut rate Offers an effortless grinding experience making it perfect to grind steel, grey iron castings, carbon steel and mild steel.

21 7 1/5 7/ /4 7/ /7 7/ /5 7/ /4 7/ /7 7/ TOPLINE Maxi Performance for the price conscious user Versatile, multi-purpose wheel with good cut rate and long life making it the first choice of construction sites and fabrication shops. 7 5/32 7/ /5 7/ /4 7/ /7 7/ /7 7/ TOPLINE 2in1 A blend of high stock removal and long life for medium to heavy fabrication work Engineered for balanced performance and high grinding ratios making it the right solution for gates and risers, notching and welding. 7 2/7 7/ /7 7/ TOPLINE - Zircon Redefining performance Formulated with premium long-life abrasive grain that works magic in grinding stainless steel, high alloy steel and ferrous metals. 4 5/32 5/ /4 5/ /5 7/ /7 7/ /5 7/ /4 7/ /7 7/ /7 7/

22 TOPLINE Extra Extra life for castings and mild steel applications. Designed for long life on castings and mild steel grinding applications. 7 1/5 7/ /7 7/ /7 7/ TOPLINE Cast Iron Specially formulated for the best price-performance ratio on cast iron applications. Reduces total grinding cost on cast iron grinding applications. 7 1/5 7/ /7 7/ /7 7/

23 REINFORCED CUT-OFF WHEELS Slice through metals, refractory bricks, stone, reinforced concrete and masonry with TOPLINE reinforced cutoff wheels. Commonly used for notching, sheet metal cutting, pipe cutting, removal of risers, metal plate dimensioning, bar cutting, rail cutting, etc. User segments Investment castings Steel manufacturing Welding and construction Foundry & Metal fabrication Pipe manufacturing The TOPLINE advantage Double reinforced for added safety and better cutting efficiency Ease of cut reducing operator fatigue Zirconia-alumina wheels engineered for premium performance especially for stainless steel cutting Abrasive Grit Type Bond 1A 30 1 BF Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 1/8 1/ /8 5/ /8 7/ /8 7/ / /6 7/ /8 7/ /7 5/ / / / / / /7 1 5/ /5 1 5/

24 SNAGGING WHEELS A delicate balance of wheel life and stock removal to eliminate that excess metal. Commonly used in the smoothening of weld seams, cleaning of castings, surface preparation for painting or plating and billet conditioning. User segments Foundry & Metal fabrication Welding & Construction Steel mills Shipyards & Railways Earth moving equipment The TOPLINE advantage Heavy duty versatility: Wheels for a wide range of materials Performance: Perfect balance of stock removal and wheel life TOPLINE Recommendations Material Low alloy steel, manganese TOPLINE specification 1A 46 P5 BT 1A 16 S3 BT Non ferrous metals, cast iron & chilled iron 5C 16/20 Steel, cast steel 1A 16/20 Abrasive Grit Type Bond 1A 16, 20, 60, BT Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 3/4 1/ /4, 1 5/ , /5 1 1/ /8 1 1/4, 1 1/ , /8 1 1/ / /

25 Abrasive Grit Type Bond 5C 16, 20 1 B Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 6 3/4, 1 5/ , / / , , /

26 INTERNAL GRINDING Accurately profile surfaces so that components fit perfectly. Used in bore grinding of inner rings, gears etc. and track grinding of outer rings, steering nuts, etc. User segments Automotive Engineering component manufacturing Cutting tools and dies Bearings The TOPLINE advantage Advanced tooling techniques enabling accurate dimensioning of components Precisely ground surfaces Free cutting design improves stock removal rates. TOPLINE Recommendations Material Best Better Good Sulfur treated TOPLINE recommendation 8M 80 K9 VT6 4A 60 L7 VS11 1A 60 K5 VT4 2A 60 M8 VS11 Abrasive Grit Hardness Bond 8M 60 K, M VT6 Dia. (In.) Thick. (In.) Bore (In.) Recess (In.) Dia. (mm) Thick. (mm) Bore (mm) Recess (In.) 1/2 1/2 1/ /4 3/4 1/4 3/8x3/ x /8 1/2x1/ x /4 1/2x1/ x ¼ 1 3/8 5/8x1/ x ½ 1 3/8 3/4x1/ x ½ 1 3/8 5/8x1/ x /8 3/4x1/ x /2 5/8 1x3/ x20

27 CREEPFEED GRINDING Specially formulated porous bond systems to rough and finish a variety of materials in a single pass. Used to grind difficult to machine alloys requiring high stock removal rates. User segments Aerospace Turbine manufacturing The TOPLINE advantage Specially formulated VSCP bond system for exceptional stock removal rates and burr-free surface finish Good repeatability Lower total grinding cost TOPLINE Recommendations Material Nickel alloys Tool steel/high chrome steel Titanium/ cast iron TOPLINE recommendation 2A/4A 2A 6G Abrasive Grit Hardness Bond 4A,2A 60, 80 Hard, Harder, Extra Hard VS10 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) / /

28 SAW GUMMING WHEELS As sharp as new in a matter of seconds Used to shape and re-sharpen various types of saws primarily in the timber and woodworking industries. User segments Timber and woodworking Construction Saw manufacturing The TOPLINE advantage Twin advantages of fast cutting and long life Designed for safe grinding while avoiding damage to the saw blade Speeds of up to 45 m/s TOPLINE Recommendations Material Band saw Band saw for logs Mill saws/circular saws Circular saws for metal Circular saws (high speed steel) TOPLINE recommendation 2A 100 VS8 1A 60 P VS30 2A 60 M VS8 4A 100 N VS10 2A 46 N VS8 Abrasive Grit Hardness Type Bond 1A 46, 54, 60, 100 M, N, P 1 VT2 Dia. (In.) Thick. (In.) Bore (In.) Dia. (mm) Thick. (mm) Bore (mm) 4 1/8 1 1/ /5 1 1/ /3 1 1/ /32 1 1/ /4 1 1/ /4 1 1/ /3 1 1/ /5 1 1/ /5 1 1/ /2 1 1/