Specifications For Key Stock

Square Key Steel

Nominal Dimension b x b	Permissible Variations On b According To ISO Tolerance Zone h9	r		Weight kg/m	Suitable For
					Gib-head parallel keys	Parallel keys and taper keys	Gib-head keys	Gib-head saddle keys
					According To	According To	According To	According To
		min	max		DIN 6884	DIN 6885 DIN 6886	DIN 6887	DIN 6889
(2x2)	-0.025	0.16	0.25	0.0314		2 x 2
(3x3)	-0.025			0.0707		3 x 3
(4x4)	-0.030			0.126		4 x 4
5x5		0.25	0.4	0.196		5 x 5
6x6				0.283		6 x 6
7x7	-0.036			0.385	*	*	*	*
8x8				0.503	8 x 5			8 x 3.5
10x10		0.4	0.6	0.785	10 x 6
12x12	-0.043			1.13	12 x 6		12 x 8
14x14				1.54	14 x 6		14 x 9
16x16				2.01	16 x 7		16 x 10	16 x 5
18x18				2.54			18 x 11
20x20	-0.052	0.6	0.8	3.14			20 x 12	20 x 6
22x22	-0.052	0.6	0.8	3.80			22 x 14	22 x 7
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing. *Used only for parallel keys for tools according to DIN 138.

Nominal Dimension b x h	Permissible Variation on			r		Weight kg/m	Suitable For
	b	h					Saddle keys	Parallel keys	Gib-head parallel keys	Parallel keys and taper keys	Gib-head keys	Gib-head saddle keys
	ISO Tolerance Zone						According To	According To	According To	According To	According To	According To
	h9	h9	h11	min	max		DIN 6881	DIN 6883	DIN 6884	DIN 6885 DIN 6886	DIN 6887	DIN 6889
(8 x 7)	-0.036	-	-0.090	0.25	0.4	0.440				8 x 7
(10 x 8)	-0.036	-0.036	-	0.4	0.6	0.628				10 x 8		10 x 4
12 x 8	-0.043					0.754				12 x 8	8 x 7	12 x 4
(12 x 10)						0.943					10 x 8
14 x 9		-	-0.090			0.989				14 x 9		14 x 4.5
16 x 10			-0.090			1.26				16 x 10
18 x 11			-0.110			1.55			18 x 7	18 x 11		18 x 5
20 x 12	-0.052			0.6	0.8	1.88			20 x 8	20 x 12
22 x 14						2.42			22 x 9	22 x 14
25 x 14						2.75			25 x 9	25 x 14
(25 x 22)			-0.130			4.32					25 x 14	25 x 7
(28 x 16)			-0.110			3.52			28 x 10	28 x 16
(28 x 25)			-0.130			5.50					28 x 16	28 x 7.5
32 x 18	-0.062		-0.110			4.52			32 x 11	32 x 18
(32 x 30)			-0.130			7.54					32 x 18	32 x 8.5
36 x 20			-0.130	1	1.2	5.65			36 x 12	36 x 20
(36 x 34)			-0.160			9.61					36 x 20	36 x 9
40 x 22			-0.130			6.91			40 x 14	40 x 22
(40 x 38)			-0.160			11.9					40 x 22
(45 x 25)			-0.130			8.83		45 x 16	45 x 16	45 x 25
(45 x 43)			-0.160			15.2					45 x 25
(50 x 28)			-0.130			11.0		50 x 18	50 x 18	50 x 28
(50 x 48)			-0.160			18.8					50 x 28
(56 x 32)	-0.074			1.6	2	14.1				56 x 32
(63 x 32)						15.8				63 x 32
(70 x 36)						19.8				70 x 36
(80 x 40)				2.5	3	25.1				80 x 40
90 x 45*	-0.087					31.8				90 x 45
(100 x 50)	-0.087					39.3				100 x 50
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing. *No primary stock in standard dimensions is available for this nominal dimension.

Nominal Dimension b x h	Permissible Variation on			r		Weight kg/m	Suitable For
	b	h					Saddle keys	Parallel keys	Gib-head parallel keys	Parallel keys and taper keys	Gib-head keys
	ISO Tolerance Zone						According To	According To	According To	According To	According To
	h9	h9	h11	min	max		DIN 6881	DIN 6883	DIN 6884	DIN 6885 DIN 6886	DIN 6887
(5 x 3)	-0.030	-	-0.060	0.25	0.4	0.118				5 x 3
(6 x 4)	-0.030	-	-0.075			0.188				6 x 4
7 x 4	-0.036	-0.030	-			0.220					4 x 4
8 x 5						0.314	8 x 3.5	8 x 5		8 x 5	5 x 5
10 x 6				0.4	0.6	0.471	10 x 4	10 x 6		10 x 6	6 x 6
12 x 6	-0.043	-	-0.075			0.565	12 x 4	12 x 6		12 x 6
14 x 6			-0.075			0.659	14 x 4.5	14 x 6		14 x 6
16 x 7			-0.090			0.879	16 x 5	16 x 7		16 x 7
18 x 7						0.989	18 x 5	18 x 7		18 x 7
20 x 8	-0.052			0.6	0.8	1.26	20 x 6	20 x 8		20 x 8
22 x 9						1.55	22 x 7	22 x 9		22 x 9
25 x 9						1.77	25 x 7	25 x 9		25 x 9
28 x 10						2.20	28 x 7.5	28 x 10		28 x 10
32 x 11	-0.062		-0.110			2.76	32 x 8.5	32 x 11		32 x 11
36 x 12				1	1.2	3.39	36 x 9	36 x 12		36 x 12
(40 x 14)				1	1.2	4.40		40 x 14
The dimensions in brackets can only be made from the standard rolled steel dimensions by repeated drawing.