24 Pairs Parallel Steel Gauge Block Set 48 Piece 150mm Length Helicoil Kit 1/2 - 20 includes stainless steel inserts ensuring secure sealing in high-pressure

ensuring secure sealing in high-pressure environments

seasoned castings

Drilling Size: 39mm

6 x 9 x 100mm

06 mm for enhanced precision and reduced wobble during drilling

24 Pairs Parallel Steel Gauge Block Set 48 Piece 150mm Length Helicoil Kit 1/2 - 20 includes stainless steel inserts ensuring secure sealing in high-pressure48 Piece Parallel Steel Gauge Block Set This 48 piece parallel steel gauge block set contains precise and durable parallel gauge blocks for accurate measurements. Manufactured to hardened and ground HRC 60 61 high quality steel, these gauge blocks provide reliable and consistent results. Supplied in pairs for packing or leveling components prior to machining in tool rooms or machine shops. Key Features: Hardness: HRC: 60 61 Accuracy: 0. 01mm, ensuring