Ø25mm Optical Post Without Base and Spacer OP1-40B4

The Ø25 mm optical post without base from LBTEK, the Ø25 mm optical post with base from LBTEK feature an M4 tapped hole at the top center and M6 tapped hole at bottom center, with standard length L=25 mm. Two Ø2 mm non-through location pins at the the top enable precision length stacking. It is available in 18 lengths: 12.5 mm, 20 mm, 25mm, 30 mm, 38 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 70 mm, 75 mm, 80 mm, 85 mm, 100 mm, 150 mm, 200 mm, 300 mm. Among them, the OP1-12.5B4 model features a center M4 tapped through-hole, while all other lengths utilize M4 non-through tapped hole. Each purchase of LBTEK Ø25 mm optical post without base includes one cup-point set screw matching the top tapped hole specification.