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System of Measurement
Inch
Metric
Width
1
/
1
6
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
9
/
3
2
"
5
/
1
6
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
5
/
8
"
Length
0
.
2
4
8
"
1
/
4
"
0
.
3
1
1
"
0
.
3
7
4
"
0
.
4
9
1
"
1
/
2
"
0
.
5
3
1
"
0
.
6
1
2
"
0
.
6
5
6
"
0
.
7
4
"
3
/
4
"
0
.
7
8
1
"
0
.
8
6
6
"
7
/
8
"
0
.
9
3
8
"
Height
1
/
1
6
"
3
/
3
2
"
0
.
1
0
9
"
7
/
6
4
"
1
/
8
"
0
.
1
4
"
5
/
3
2
"
0
.
1
7
2
"
3
/
1
6
"
0
.
1
9
4
"
7
/
3
2
"
0
.
2
4
"
1
/
4
"
9
/
3
2
"
0
.
3
0
3
"
Key Type
Rounded
Step
Straight
Tapered
Woodruff
Material
360 Brass
400 Nickel
6061 Aluminum
Plastic
Stainless Steel
Steel
Tolerance Rating
Oversized
Undersized
Standard
Minimum Hardness
Durometer 80D
Durometer 85D
Rockwell B35
Rockwell B50
Rockwell B61
Rockwell B80
Rockwell B82
Rockwell B85
Rockwell B86
Rockwell B87
Rockwell B90
Rockwell B97
Rockwell B98
Rockwell B112
Not Rated
Specifications Met
ASME Standard
DIN Standard
For Keyway Diameter
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1
1/8"
1
1/4"
1
3/8"
1
1/2"
2
1/8"
2
3/4"
7 mm
10 mm
13 mm
16 mm
19 mm
22 mm
25 mm
28 mm
32 mm
45 mm
Shaft Keyway Width
1/8"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
7/8"
1"
Export Control Classification Number (ECCN)
1C998
EAR99
REACH
Compliant
Not Compliant
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
Hub Keyway Width
3/16"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
Finish
Chromate Conversion Coated
Zinc Plated
Zinc Yellow-Chromate Plated
Shape
Rectangle
Stepped Rectangle
Number of Pieces
7
16
25
30
31
32
58
66
70
97
225
250
300
350
401
For Shaft Keyway Height
1/16"
3/32"
1/8"
5/32"
3/16"
1/4"
5/16"
7/16"
1/2"
For Hub Keyway Height
3/32"
1/8"
3/16"
1/4"
5/16"
3/8"
1/2"
Thread Size
4-40
6-32
10-24
1/4"
-20
M3
M4
M5
Container Type
Cardboard Box
Cardboard Tube
Plastic Box
Container Features
Compartmented
Lid Chart
Woodruff Key Number
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
For Machine Table T-Slot Width
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
3/4"
13/16"
7/8"
1"
1
1/16"
1
1/8"
1
1/4"
1
5/16"
1
3/8"
10 mm
12 mm
14 mm
16 mm
18 mm
20 mm
22 mm
24 mm
28 mm
36 mm
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