Jash Metrology

Nand Nagar, Indore, Madhya Pradesh

JASH V-Blocks are widely used in Workshops , Tool Rooms & Standard Rooms for variety of application in Tooling and Inspection purposes such as marking accurate Centers, checking concentricity, parallelism etc. The V-Blocks are typically used to hold round metal rods or pipes for performing drilling or milling operations. Screw clamps are also available and are provided upon request. Thus, the V-Blocks can be used for workholding as well as for inspection.

Apart from the standard V-Block configuration, we also offer custom V-Blocks and Magnetic V-blocks. The magnetic blocks have internal magnets and are useful for securely holding work pieces for inspection and light cutting operations. They can also be used for marking of round objects and measuring to different shapes. For all V-Block requirements, Consult with JASH, the leading manufacturer and supplier of V-Blocks and other precision tools.

• C.I. Universal V-Blocks, C. I. Plain V-Blocks and C. I. Elongated V-Blocks are made from close grained C.I. castings conforming to Grade FG-220 of IS-210, offered duly hand scraped finish.
• Universal and Elongated V-Blocks are generally conforming to IS-4960 and Plain V-Blocks are generally conforming to IS-2949.
• Steel V-Blocks are made from hardened and ground alloy steel having hardness 55 to 60 HRC, generally conforming to IS-2949 available in Grade-A accuracy having included angle 90 deg +/- 5'.
• Granite V-Blocks made from good quality Granite, working faces offered duly finely lapped finish having included angle 90 deg +/- 5'.
• Clamps offered for Plain V-Blocks (Cast Iron, Hardened & Ground and Granite V-Blocks) on request.
• Magnetic V-Blocks and other non-standard sizes on request.

JASH Granite Surface Plates are used for precision gauging, inspection, layout and marking purposes. They are preferred by Precision Tool Rooms, Engineering Industries and Research Laboratories because of their following outstanding advantages.

No rust, no corrosion, relatively warp-free, no compensating hump when nicked, longer wear, smoother action, greater precision, non-magnetic, less care after commissioning, lower co-efficient of thermal expansion and non-glaring surface. These features make JASH one of the best granite surface plate manufacturers in the industry.

• Made from close grained Granite having uniform color and texture having hardness 5.6 to 7 on Moh's scale, free from flaws, fissures and large inclusions of softer minerals.
• Made generally as per IS-7327. Also available on request conforming to DIN-876, BS-817, JIS -B-7513 and US Federal specification GGG-P-463-C.
• Metalic threaded inserts, Metalic T-slots, Plates with two or four ledges can also be supplied against specific request at extra cost.
• Rexine cover provided for top working surface with standard size plates.
• Fabricated Frame / Cupboard type / Cast Iron column type stand with leveling screws are available on request at extra cost.
• Active and Passive air mounts are offered upon request, at extra costs.
• Granite Lapping Plates square and rectangular available on request.