26-01-2019, 10:26 PM
Hi,
I think you'll find they're 1/8BSP TAPER i.e. - 1/8BSPT. The thread is tapered so it tightens and seals as it goes in. Brass Allen heads make good replacements; available from that well known on line auction site. The originals can be a sod to get out; heat up and use an impact driver.
Dave
I think you'll find they're 1/8BSP TAPER i.e. - 1/8BSPT. The thread is tapered so it tightens and seals as it goes in. Brass Allen heads make good replacements; available from that well known on line auction site. The originals can be a sod to get out; heat up and use an impact driver.
Dave