F-90FMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.SERIES 215 — Cast Iron Base Comparator Stands• These stands have a very stable cast-iron base that enables precise measurement.• The semi-serrated anvil prevents very at workpieces from wringing to it and the 2.3 μm atness (or better) promotes accurate measurement.• With an integrated indicator mounting section and arm, the bracket for BSC-30HX provides further improved rigidity, making it easy to adjust parallelism. • BSB-20X uses a square 110 mm×110 mm serrated anvil while BSC-30HX uses a square 150 mm×150 mm serrated anvil.215-405-10215-405-10• Clamping range on column: 0 to 235 mm 215-505-10• Clamping range on column: 0 to 275 mmTypical application using Digimatic Indicator ID-H.Indicator clampColumn clampFine adjustmentStem holewithout Bush ø9.53with Bush ø8215-405SCAL 1/2Anvil110ø40609513420154320Flatness: 2.3 µm or betterStem holewithout Bush ø20with Bush ø9.53with Bush ø8Anvil150255179ø5011540064100Column clampIndicator clampFlatness: 2.3 µm or betterSPECIFICATIONSOrder No.AnvilMicromotion mechanism (Adjustment range)Stem hole (mm)215-405-10Square semi-serrated anvil (110×110 mm)Vertical ne adjustment (1 mm)ø9.53, ø8 with Bush215-505-10Square semi-serrated anvil (150×150 mm)Micromotion screwø20, ø9.53 with Bush, ø8 with BushNote 1: Perpendicularity of the stem hole to the anvil is better than 0.4 mm/100 mm.Note 2: Take note that when mounting high-accuracy Linear Gages (with resolution of 0.1 μm or better) to these stands, accuracy may be affected depending on the perpendicularity of the mounting hole to the top surface of the anvil (cosine effect). Note 3: Compact dial indicators (bezel ø31, ø36) are not suitable for use with these stands.DIMENSIONS Unit: mmAccessories for 215-505-10 • 21JAA329: ø8 mm bush (standard accessory) • 21JAA330: ø9.53 mm (3/8 in) bush (standard accessory) • 21JAA331: ø15 mm bush (optional accessory)

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