Somta Series 541 - HSS Straight Flute Short Hand Taper (First Tap) UNC No.4 x 40 TPI Insize Metric 60° Screw Pitch Gauge 0.25-7mm Range Series 4820-124 To know what size the

To know what size the insert should be it refers to the last two digits in the code -  STGCR2020K16 meaning a TC-16 insert

this try square provides consistent squareness for internal and external angle checking

providing authenticity and peace of mind with local warranty support

The Annular Depth Of Cut Extension Socket is designed for use with annular cutters

Elliptical Release Ring: The elliptical release ring facilitates installation in tight spaces

Somta Series 541 - HSS Straight Flute Short Hand Taper (First Tap) UNC No.4 x 40 TPI Insize Metric 60° Screw Pitch Gauge 0.25-7mm Range Series 4820-124 To know what size theAchieve precise and reliable threading with the SOMTA HSS UNC Thread Tap No. 4 Taper. Designed for general hand tapping, this high speed steel (HSS) tap ensures durability and precision, making it perfect for both through hole and blind hole tapping applications. Key Features: Thread Size: No. 4 UNC (Unified National Coarse) Standard: ISO 529 Material: High Speed Steel (HSS) for exceptional durability and wear resistance Thread Form: 60 flank angle