PST series stainless steel Ø12.7mm posts are a standard component in any photonics lab. One end is tapped M4 and the other 1M6. Each post is supplied with an M4 set screw.
A 6mm cross-drilled hole is provided to aid in tightening and loosening the post. These posts are priced to make the buying decision easy.
Discount pricing is offered at quantities as low as 10 pieces.