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System of Measurement
Inch
Metric
Length
3"
6"
9"
12"
18"
24"
36"
48"
60"
72"
120"
144"
200 mm
300 mm
305 mm
400 mm
500 mm
1,000 mm
1,200 mm
1,500 mm
1,800 mm
2,000 mm
Material
360 Brass
400 Nickel
Aluminum
Plastic
Stainless Steel
Steel
Diameter
1
/
4
"
5
/
1
6
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
5
/
8
"
1
1
/
1
6
"
3
/
4
"
1
3
/
1
6
"
7
/
8
"
1
5
/
1
6
"
1
"
1
1
/
1
6
"
1
1
/
8
"
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
"
Height
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
"
1
1
/
3
2
"
3
/
8
"
1
3
/
3
2
"
7
/
1
6
"
1
/
2
"
Tolerance Rating
Oversized
Undersized
Standard
Keyway Length
1
49/64"
1
51/64"
2
3/16"
2
1/2"
3"
4"
6"
9"
12"
14"
18"
24"
36"
48"
60"
72"
120"
144"
200 mm
300 mm
400 mm
500 mm
1,000 mm
1,200 mm
1,500 mm
1,800 mm
2,000 mm
Key Type
Step
Straight
Keyway Width
3/32"
0.094"
1/8"
3/16"
0.188"
1/4"
5/16"
0.313"
3/8"
1/2"
0.625"
0.75"
2 mm
3 mm
4 mm
5 mm
6 mm
8 mm
12 mm
14 mm
Keyway Depth
3/64"
1/16"
3/32"
7/64"
1/8"
9/64"
5/32"
3/16"
1/4"
5/16"
3/8"
1.2 mm
1.8 mm
2.5 mm
3 mm
3.5 mm
4 mm
5 mm
5.5 mm
Mechanical Finish
Polished
Precision Ground
Turned
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Export Control Classification Number (ECCN)
1C998
EAR99
REACH
Compliant
Not Compliant
RoHS
Compliant
Compliant with Exemptions
Minimum Hardness
Durometer 80D
Durometer 85D
Rockwell B35
Rockwell B50
Rockwell B61
Rockwell B80
Rockwell B82
Rockwell B85
Rockwell B86
Rockwell B87
Rockwell B90
Not Rated
Hardness Rating
Soft
Medium
Shaft Keyway Width
1/8"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
11/16"
7/8"
1"
Finish
Zinc Plated
Zinc Yellow-Chromate Plated
Hub Keyway Width
3/16"
1/4"
3/8"
1/2"
5/8"
3/4"
1"
Hardness
Brinell 120
Brinell 190
Rockwell B80
Rockwell B85
Rockwell B90
Rockwell B95
Rockwell B98
Rockwell C14
Specifications Met
ASME Standard
DIN Standard
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"
For Use With
Gears
Shafts
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1,566 Products
Power Transmission
Shafts
Transmit power, motion, and speed between machine components
739 products
Fastening and Joining
Machine Key Stock
Cut a custom length to transfer torque from shafts to components such as gears and sprockets
827 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)