Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 Best Carbide - SE41 1/8" Double Cut Carbide Burr The Nylon Test Plugs offer

The Nylon Test Plugs offer a simple and reliable solution for sealing pipes and pipework assemblies

this 50mm bushing securely holds the broach in place while directing it through the machined hole

minimizing downtime and the need for component replacement

and workshop settings

Thread Size: 1-1/8" UNF (Unified National Fine)

Insize 55° Setting Standard for Screw Thread Micrometers 100–125 mm Series 3281-SP4 Best Carbide - SE41 1/8" Double Cut Carbide Burr The Nylon Test Plugs offerInsize 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