Mahr - Product Catalog Page 109
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Micromar 44 A - Self-Centering Inside Micrometer FEATURES • Operating and display units with satin chrome finish • Stainless spindle is hardened throughout and ground • Rapid drive with integrated ratchet • Self-centering measuring head consists of 3 laterally positioned anvils, each are offset at intervals of 120° • Anvils from 12 mm are carbide-tipped • From 12 mm the anvils can be used to measure the bottom of a bore • From 40 mm all measuring heads are made from aluminium to reduce weight • Package contains: instruction manual, allen key, key for replacing measuring heads (from 30 mm), case Application: For measuring: • Through holes • Blind holes • Centering shoulders TECHNICAL DATA Order no. Product type Measuring Graduation Error limit Spindle range value thread pitch Standard Measuring Measuring depth depth with extension mm mm mm mm µm mm 4190310 44 A 6 –8 0.001 4 0.5 DIN 863– 4 58 133 4190311 44 A 8 – 10 0.001 4 0.5 DIN 863– 4 58 133 4190312 44 A 10 – 12 0.001 4 0.5 DIN 863– 4 58 133 4190313 44 A 12 – 16 0.001 4 0.5 DIN 863– 4 64 139 4190314 44 A 16 – 20 0.001 4 0.5 DIN 863– 4 64 139 4190315 44 A 20 – 25 0.005 4 0.5 DIN 863– 4 68 218 4190316 44 A 25 – 30 0.005 4 0.5 DIN 863– 4 68 218 4190317 44 A 30 – 40 0.005 4 0.5 DIN 863– 4 76 226 4190319 44 A 40 – 50 0.005 4 0.5 DIN 863– 4 76 226 4190320 44 A 50 – 60 0.005 5 0.5 DIN 863– 4 79 229 4190321 44 A 60 – 70 0.005 5 0.5 DIN 863– 4 79 229 4190012 44 A 70 – 85 0.005 5 0.5 DIN 863– 4 97 247 4190013 44 A 85 – 100 0.005 5 0.5 DIN 863– 4 97 247 4190014 44 A 100 – 125 0.005 6 0.5 DIN 863– 4 132 282 4190015 44 A 125 – 150 0.005 6 0.5 DIN 863– 4 132 282 4190016 44 A 150 – 175 0.005 7 0.5 DIN 863– 4 132 282 4190017 44 A 175 – 200 0.005 7 0.5 DIN 863– 4 132 282 Micromar | Micrometers 105
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