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Ø25mm Optical Post Without Base, with M6 Tapped Hole at the Top

M6 tapped hole at the top and bottom center;
It is available in 20 lengths:10 mm, 12.5mm, 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, 200 mm, 300 mm, 400mm, 500mm;
Each purchase includes one M6 cup-point set screw;

The Ø25 mm optical post without base from LBTEK features M6 tapped holes at both the top and bottom centers. Two Ø2 mm non-through location pins at the top enable precision length stacking. It is available in 20 lengths: 10mm, 12.5mm, 20mm, 25mm, 30mm, 38mm, 40mm, 45mm, 50mm, 55mm, 60mm, 70mm, 75mm, 80mm, 85mm, 100mm, 200mm, 300mm, 400mm, 500 mm. Among them, the OP1-10B6 and the OP1-12.5B6 model features a center M6 tapped through-hole, while all other lengths utilize M6 tapped non-through hole. Each purchase of LBTEK Ø25 mm optical post without base includes one socket set screw matching the top tapped hole specification.

The Ø25mm optical post without base is commonly used to support optical component mounts.

Product Model	Outer diameter	Length	Top threaded hole specifications	Unit Price	Lead Time
OP1-85B6	25 mm	85 mm	M6	$16.34	6 weeks
OP1-80B6	25 mm	80 mm	M6	$15.95	6 weeks
OP1-70B6	25 mm	70 mm	M6	$15.04	6 weeks
OP1-60B6	25 mm	60 mm	M6	$14.38	6 weeks
OP1-55B6	25 mm	55 mm	M6	$13.73	6 weeks
OP1-45B6	25 mm	45 mm	M6	$11.64	6 weeks
OP1-40B6	25 mm	40 mm	M6	$11.11	6 weeks
OP1-30B6	25 mm	30 mm	M6	$9.02	6 weeks
OP1-20B6	25 mm	20 mm	M6	$7.32	6 weeks
OP1-500B6	25 mm	500 mm	M6	$141.59	5 weeks
OP1-400B6	25 mm	400 mm	M6	$99.1	5 weeks
OP1-300B6	25 mm	300 mm	M6	$46.54	4 weeks
OP1-200B6	25 mm	200 mm	M6	$32.82	4 weeks
OP1-100B6	25 mm	100 mm	M6	$16.87	5 weeks
OP1-75B6	25 mm	75 mm	M6	$15.43	5 weeks
OP1-50B6	25 mm	50 mm	M6	$12.42	6 weeks
OP1-38B6	25 mm	38 mm	M6	$10.98	6 weeks
OP1-25B6	25 mm	25 mm	M6	$11.24	6 weeks
OP1-12.5B6	25 mm	12.5 mm	M6	$5.23	5 weeks
OP1-10B6	25 mm	10 mm	M6	$5.23	6 weeks

Ø25mm Optical Post Without Base, with M4 Tapped Hole at the Top

M4 tapped hole at the top center, M6 tapped hole at the bottom center;
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;
Each purchase includes one M4 cup-point set screw;

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.

The Ø25mm optical post without base is commonly used to support optical component mounts.

Product Model	Outer diameter	Length	Top threaded hole specifications	Unit Price	Lead Time
OP1-85B4	25 mm	85 mm	M4	$16.34	6 weeks
OP1-80B4	25 mm	80 mm	M4	$15.95	6 weeks
OP1-70B4	25 mm	70 mm	M4	$15.04	6 weeks
OP1-60B4	25 mm	60 mm	M4	$14.38	6 weeks
OP1-55B4	25 mm	55 mm	M4	$13.73	6 weeks
OP1-45B4	25 mm	45 mm	M4	$11.64	6 weeks
OP1-40B4	25 mm	40 mm	M4	$11.11	6 weeks
OP1-30B4	25 mm	30 mm	M4	$9.02	6 weeks
OP1-20B4	25 mm	20 mm	M4	$7.32	6 weeks
OP1-150B4	25 mm	150 mm	M4	$29.42	5 weeks
OP1-300B4	25 mm	300 mm	M4	$46.54	5 weeks
OP1-200B4	25 mm	200 mm	M4	$32.82	4 weeks
OP1-100B4	25 mm	100 mm	M4	$16.87	5 weeks
OP1-75B4	25 mm	75 mm	M4	$18.17	5 weeks
OP1-50B4	25 mm	50 mm	M4	$12.42	5 weeks
OP1-38B4	25 mm	38 mm	M4	$10.98	6 weeks
OP1-25B4	25 mm	25 mm	M4	$8.11	5 weeks
OP1-12.5B4	25 mm	12.5 mm	M4	$5.23	4 weeks

Ø25mm Optical Post Without Base and Spacer

Center M6 smooth-bore through-hole;
Six thickness options are available: 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, and 8 mm;
Each purchase includes two cylindrical pins;

The Ø25 mm spacer from LBTEK features a smooth-bore M6 through-hole at center and includes two Ø2 mm location pins through-hole at the top, the spacer typically extends the length of Ø25 mm stainless steel optical post. Six thickness options are available: 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, and 8 mm, and each spacer purchase includes two cylindrical pins.

The Ø25 mm spacer is commonly used for height stacking.

Product Model	Outer diameter	Thickness	Center Through-Hole Specification	Unit Price	Lead Time
OP1-1C	25 mm	1 mm	M6	$2.35	6 weeks
OP1-1C-P5	25 mm	1 mm	M6	$10.98	4 weeks
OP1-8C-P5	25 mm	8 mm	M6	$10.98	4 weeks
OP1-8C	25 mm	8 mm	M6	$2.35	6 weeks
OP1-2C	25 mm	2 mm	M6	$2.35	6 weeks
OP1-2C-P5	25 mm	2 mm	M6	$10.98	4 weeks
OP1-3C	25 mm	3 mm	M6	$2.35	6 weeks
OP1-3C-P5	25 mm	3 mm	M6	$10.98	4 weeks
OP1-4C	25 mm	4 mm	M6	$2.35	6 weeks
OP1-4C-P5	25 mm	4 mm	M6	$10.98	4 weeks
OP1-5C	25 mm	5 mm	M6	$2.35	5 weeks
OP1-5C-P5	25 mm	5 mm	M6	$10.98	4 weeks