Woodruff Key

Standard:: DIN 6888

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How to measure: Woodruff key — Inch keys are numbered: the last two digits are the diameter in 1/8 inch, the digits before them the width in 1/32 inch (No. 606 is 3/16" wide, 3/4" diameter). Metric keys are sized width x height.

30 part numbers

Description	Size	Length	Material	Sold by	In stock	Part number
M1.5 Diameter
DIN 6888 Steel	M1.5 X 2.6	2.6 mm	Steel	Each	Out of stock	6888-1.52.6
M2 Diameter
DIN 6888 Steel	M2 X 2.6	2.6 mm	Steel	Each	Out of stock	6888-22.6
DIN 6888 Steel	M2 X 3.7	3.7 mm	Steel	Each	Out of stock	6888-23.7
DIN 6888 Steel	M2 X 5	5 mm	Steel	Each	Out of stock	6888-25
M2.5 Diameter
DIN 6888 Steel	M2.5 X 3.7	3.7 mm	Steel	Each	Out of stock	6888-2.53.7
M3 Diameter
(9.66MM LONG) DIN 6888 Stee	M3 X 3.7	3.7 mm		Each	Out of stock	6888-33.7
DIN 6888 Steel	M3 X 5	5 mm	Steel	Each	Out of stock	6888-35
DIN 6888 Steel	M3 X 6.5	6.5 mm	Steel	Each	Out of stock	6888-36.5
DIN 6888 Steel	M3 X 7.5	7.5 mm	Steel	Each	Out of stock	6888-37.5
M4 Diameter
DIN 6888 Steel	M4 X 5	5 mm	Steel	Each	Out of stock	6888-45
(15.72MM LONG) DIN 6888 Ste	M4 X 6.5	6.5 mm		Each	Out of stock	6888-46.5
DIN 6888 Steel	M4 X 7.5	7.5 mm	Steel	Each	Out of stock	6888-47.5
DIN 6888 Steel	M4 X 9	9 mm	Steel	Each	Out of stock	6888-49
M5 Diameter
DIN 6888 Steel	M5 X 5	5 mm	Steel	Each	Out of stock	6888-55
DIN 6888 Steel	M5 X 6.5	6.5 mm	Steel	Each	Out of stock	6888-56.5
Woodruff KEY(18.57MM LONG) DIN 6888 Ste	M5 X 7.5	7.5 mm		Each	Out of stock	6888-57.5
(21.63MM LONG) DIN 6888 Steel	M5 X 9	9 mm	Steel	Each	Out of stock	6888-59
DIN 6888 Steel	M5 X 10	10 mm	Steel	Each	Out of stock	6888-510
M6 Diameter
DIN 6888 Steel	M6 X 7.5	7.5 mm	Steel	Each	Out of stock	6888-67.5
DIN 6888 Steel	M6 X 9	9 mm	Steel	Each	Out of stock	6888-69
DIN 6888 Steel	M6 X 10	10 mm	Steel	Each	Out of stock	6888-610
DIN 6888 Steel	M6 X 11	11 mm	Steel	Each	Out of stock	6888-611
DIN 6888 Steel	M6 X 13	13 mm	Steel	Each	Out of stock	6888-613
DIN 6888 Steel	M6 X 15	15 mm	Steel	Each	Out of stock	6888-615
M7 Diameter
Woodruff KEY(24.49MM LONG) DIN 6888 Steel	M7 X 10	10 mm	Steel	Each	Out of stock	6888-710
Woodruff KEY(27.35MM LONG) DIN 6888 Steel	M7 X 11	11 mm	Steel	Each	Out of stock	6888-711
M8 Diameter
DIN 6888 Steel	M8 X 11	11 mm	Steel	Each	Out of stock	6888-811
DIN 6888 Steel	M8 X 13	13 mm	Steel	Each	Out of stock	6888-813
M10 Diameter
DIN 6888 Steel	M10 X 13	13 mm	Steel	Each	Out of stock	6888-1013
(43.08MM LONG) DIN 6888 Ste	M10 X 16	16 mm		Each	Out of stock	6888-1016