Disc Micrometers Specifications Measuring face Hardened steel or carbide-tipped Measuring spindle With spindle lock, ø 6,35 mm, spindle pitch 0,5 mm Scale Thimble and sleeve satin chrome finish ø18 mm Delivered Including box, key, setting standard (from 25 mm upward) 47 17 3 L b 14.5 a 31.5 ø18 ø6.35 c mm 0-50 mm 47 17 3 L b 14.5 a 31.5 ø18 ø6.35 c 50-300 mm Series 123 This Disc Micrometer enables you to measure hard-to-reach features, offering you the following benefits: • Measuring the root tangent length of spur and helical gears. • You can measure recessed features that are difficult to reach with a standard micrometer. 123-101 t ød øe Metric No. Range [mm] Graduation Max. Permissible Error J MPE Flatness Parallelism Measuring force [N] Measurable module [mm] 123-101 0 - 25 0,01 mm ±4 μm 1 μm 4 μm 5-10 0,5 - 6 123-102 25 - 50 0,01 mm ±4 μm 1 μm 4 μm 5-10 0,5 - 6 123-103 50 - 75 0,01 mm ±6 μm 1 μm 6 μm 5-10 0,5 - 6 123-104 75 - 100 0,01 mm ±6 μm 1 μm 6 μm 5-10 0,5 - 6 123-105 100 - 125 0,01 mm ±7 μm 1,6 μm 7 μm 5-10 0,7 - 11 123-106 125 - 150 0,01 mm ±7 μm 1,6 μm 7 μm 5-10 0,7 - 11 123-107 150 - 175 0,01 mm ±8 μm 1,6 μm 8 μm 5-10 0,7 - 11 123-108 175 - 200 0,01 mm ±8 μm 1,6 μm 8 μm 5-10 0,7 - 11 123-109 200 - 225 0,01 mm ±8 μm 1,6 μm 8 μm 5-10 0,7 - 11 123-110 225 - 250 0,01 mm ±9 μm 1,6 μm 9 μm 5-10 0,7 - 11 123-111 250 - 275 0,01 mm ±9 μm 1,6 μm 9 μm 5-10 0,7 - 11 123-112 275 - 300 0,01 mm ±9 μm 1,6 μm 9 μm 5-10 0,7 - 11 No. L [mm] a [mm] b [mm] c [mm] d [mm] e [mm] t [mm] Mass [g] 123-101 37,5 6 14 25 20 8 0,7 200 123-102 62,5 6 14 32 20 8 0,7 250 123-103 87 5,5 11 49 20 8 0,7 300 123-104 112 5,5 11 63 20 8 0,7 375 123-105 137,5 6 12 79 30 12 1 520 123-106 162,5 6 15 94 30 12 1 570 123-107 187,5 6 16 106 30 12 1 730 123-108 212,5 6 15 118 30 12 1 890 123-109 237,5 6 14 130 30 12 1 1000 123-110 262,5 6 14 143 30 12 1 1200 123-111 287,5 6 15 156 30 12 1 1410 123-112 312,5 6 15 169 30 12 1 1680 Metric With carbide-tipped discs No. Range [mm] Graduation Max. Permissible Error J MPE Flatness Parallelism Remarks Measuring force [N] 123-113 0 - 25 0,01 mm ±4 μm 1 μm 4 μm Disks have carbide tips 5-10 123-114 25 - 50 0,01 mm ±4 μm 1 μm 4 μm Disks have carbide tips 5-10 123-115 50 - 75 0,01 mm ±6 μm 1 μm 6 μm Disks have carbide tips 5-10 123-116 75 - 100 0,01 mm ±6 μm 1 μm 6 μm Disks have carbide tips 5-10 No. Measurable module [mm] L [mm] a [mm] b [mm] c [mm] d [mm] e [mm] t [mm] Mass [g] 123-113 0,5 - 6 39,7 4,5 9,2 25 20 9,8 0,7 200 123-114 0,5 - 6 65,6 5,4 11 31 20 9,8 0,7 250 123-115 0,5 - 6 90,7 5,5 12,2 50 20 9,8 0,7 300 123-116 0,5 - 6 112,5 5,5 13,5 60 20 9,8 0,7 375 All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, in particular any and all technical specifications, are only binding when explicitly agreed upon. 71
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