Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 Metric O-Ring Kit 419 Piece Adjustable Expanding Reamer 11-12mm

Adjustable Expanding Reamer 11-12mm

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Dimension: 276 x 60mm (L x Dia)

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Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 Metric O-Ring Kit 419 Piece Adjustable Expanding Reamer 11-12mmInsize 55 Setting Standard The Insize 3281 SP4 is a 55 setting standard used to set and verify Insize 3281 series screw thread micrometers for 55 thread forms (e. g., Whitworth). It is an optional accessory matched to the 100125 mm micrometer size and ensures accurate pitch diameter measurements when a 55 thread angle is required. Specifications : Part No: 3281 SP4 Compatible Micrometers: 3281 125A, 3281 S125 Range: 100125 mm L: 143 mm b: 70 mm Thread