Tolerances and standards

Tolerance accuracy in accordance with DIN 876

The surfaces of clamping plates, clamping cubes and reaction brackets are manufactured in accordance with DIN 876.

Tolerance tables

L mm	200	300	500	800	1000	1200	1500	2000	2500
DIN 876 / III (µm/m)	48	52	60	72	80	88	100	120	140
DIN 876 / II (µm/m)	24	26	30	36	40	44	50	60	70

L mm	3000	3500	4000	4500	5000	5500	6000	6500	7000
DIN 876 / III (µm/m)	160	180	200	220	240	260	280	300	320
DIN 876 / II (µm/m)	80	90	100	110	120	130	140	150	160

Machined T-slots to DIN 650

within tolerance zone H12
Fitting grooves can be manufactured within tolerance zones H7 or H8

Standard spacing for T-slots: 100 mm, 150 mm, 200 mm, 250 mm

Nominal size: a	for bolts	for bolts	b	c	H	e
10	M 8		17,5 - 18	8	18	1,0
12	M 10		20,5 - 21	9	21	1,0
14	M 12	1/2"	23,5 - 24	10	24	1,0
16	M 14		26,5 - 27	11	27	1,0
18	M 16	5/8"	29,5 - 30	12	30	1,5
20	M 18		33,5 - 34	14	34	1,5
22	M 20	3/4"	37,5 - 38	16	38	1,5
24	M 22	7/8"	41,0 - 42	18	42	1,5
28	M 24	1"	47,0 - 48	20	48	1,5
32	M 27	1 1/8"	54	22	54	1,5
36	M 30	1 1/4"	60	25	61	2,0
42	M 36	1 1/2"	70	29	74	2,0