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System of Measurement
Inch
Metric
Thread Size
1/8"
-20.8
1/8"
-41.7
9/64"
-20.8
9/64"
-41.7
5/32"
-21.3
3/16"
-42.7
7/32"
-20.8
1/4"
-8
1/4"
-12
1/4"
-16
1/4"
-20
1/4"
-40
3/8"
-5
3/8"
-8
3/8"
-10
3/8"
-12
3/8"
-16
3/8"
-20
Material
360 Brass
Acetal
Stainless Steel
Steel
Component
Lead Screw
Nut
Nut Type
Coupling
Flange
Hex
Thread Direction
Left Hand
Right Hand
Length
1/2"
1"
1
1/2"
1
29/32"
2"
2
45/64"
6"
9"
12"
18"
3 ft.
6 ft.
12 ft.
50 mm
75 mm
100 mm
145 mm
150 mm
250 mm
500 mm
1,000 mm
Thread Type
Acme
Metric Rounded Trapezoidal
Rounded Acme
Stub Acme
Travel Distance per Turn
0.024"
0.025"
0.048"
0.05"
0.063"
0.083"
0.094"
0.096"
0.1"
0.125"
0.167"
0.192"
0.2"
0.25"
0.333"
0.375"
0.5"
1"
2"
0.3 mm
0.375 mm
0.5 mm
0.75 mm
1 mm
1.5 mm
3 mm
4 mm
5 mm
6 mm
8 mm
10 mm
12 mm
20 mm
35 mm
60 mm
Number of Thread Starts
1
2
3
4
5
6
7
8
12
16
Speed Ratio
1:1
2:1
3:1
4:1
5:1
6:1
7:1
8:1
12:1
16:1
Diameter
0.4"
0.406"
0.5"
0.625"
0.703"
0.75"
0.875"
0.891"
1.063"
1.125"
1.563"
Thread Fit
Acme Class 2C
Acme Class 2G
Thread Pitch
0.3 mm
0.4 mm
0.5 mm
1 mm
1.25 mm
2.5 mm
3 mm
5 mm
7.5 mm
Hardness
Brinell 150
Brinell 160
Brinell 200
Rockwell B75
Rockwell B85
Rockwell B96
Rockwell B97
Rockwell C35
Not Rated
Tensile Strength
9,000 psi
9,700 psi
64,000 psi
72,000 psi
75,000 psi
90,000 psi
145,000 psi
Not Rated
RoHS
Compliant
Not Compliant
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
REACH
Compliant
Not Compliant
Width
1/2"
5/8"
11/16"
3/4"
7/8"
1"
1
1/16"
1
1/4"
1
3/8"
1
7/16"
1
1/2"
1
5/8"
1
3/4"
1
13/16"
1
7/8"
2"
2
3/16"
2
1/4"
2
3/8"
3"
3
1/2"
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Export Control Classification Number (ECCN)
EAR99
Fastener Strength Grade/Class
ASTM Grade B8M
SAE Grade 2
Height
15/64"
23/64"
3/8"
31/64"
1/2"
39/64"
5/8"
47/64"
3/4"
55/64"
7/8"
63/64"
1"
1
7/64"
1
1/8"
1
7/32"
1
1/4"
1
11/32"
1
15/32"
1
1/2"
1
31/32"
2"
2
1/8"
2
1/4"
2
1/2"
2
3/4"
3"
3
1/4"
3
1/2"
4"
Performance
Fast Travel
Ultra Precision
Shaft Diameter
2 mm
3 mm
4 mm
5 mm
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