40mm Length 1/2" GAS (BSP) Thread Extension Adapter

1/2" GAS (BSP) Thread Extension Adapter – Male & Female 1/2" Connection for diamond core drills is a professional-grade accessory for diamond core drilling, designed to extend drilling depth and provide access to tight or hard-to-reach areas with maximum precision.

Manufactured from high-strength stainless steel or hardened alloy steel, this adapter ensures secure thread alignment, wobble-free rotation, and long-lasting durability.

Available Lengths & Compatibility

Available in lengths from 35mm, 37mm, 40mm, 45mm, 55mm, 60mm, 65mm, 70mm and 75mm.

It is fully compatible with all 1/2" BSP/GAS thread water swivel and diamond core drills.

Its corrosion-resistant finish makes it ideal for wet drilling environments, maintaining coolant flow to prevent overheating and extend the lifespan of core bits.

Applications

Perfect for glass, quartz countertops, stone, ceramics, tiles, construction drilling, and even lapidary or jewelry making.

This extension adapter delivers clean, chip-free cuts with improved tool stability. By preventing misalignment, binding, and excessive heat, it ensures professional-quality results and reliable performance in both industrial and precision drilling setups.