Somta Series 531 – TAP 5/8" BSF HSS BOTTOM Insize Thread GO NOGO Plug Gauge 3/8"-16 UNC Series 4131-3C1 This double-ended spanner features a

This double-ended spanner features a 15/16" square end and a 1" hex end

High-Quality Stainless Steel Inserts: The E-Z Coil inserts are made from durable stainless steel

Supplied in moulded EVA and housed in a sturdy storage case

Drilling Size: 17mm

making it easy to select the correct size O-ring for your task

Somta Series 531 – TAP 5/8" BSF HSS BOTTOM Insize Thread GO NOGO Plug Gauge 3/8"-16 UNC Series 4131-3C1 This double-ended spanner features aSomta Series 531 TAP 5 8" BSF HSS BOTTOM The SOMTA 5311593 TAP 5 8" BSF HSS BOTTOM is a precision engineered tool designed for optimal performance in metal drilling applications. Key Features & Benefits High speed steel (HSS) construction for durability and longevity. Designed for bottoming taps, allowing for full thread engagement. 5 8" BSF size for compatibility with British Standard Fine threads. Precision ground flutes for efficient chip removal.