Kerk Lead Screws utilize the latest in precision rolling technology. Lead screws are available in standard diameters from 5/64" to 15/16" and includes metric and left hand threads. Most standard lead screws are manufactured from 303 stainless steel and are produced using our exclusive precision rolling process. Other lead screw materials are available for application specific requirements.
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Dynamic Load by Nut Type
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Diameter
|
Lead Range
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Units
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ZBX
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ZBA
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ZBM
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KHD
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WDG
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NTB
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VHD
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BFW
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5/64 inch
(2mm) |
0.012-0.079 in
(0.3-2.00 mm) |
lbs
N |
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|
1
(4.4) |
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10
(44) |
1/8 inch
(3.2mm) |
0.024-0.125 in
(0.61-3.18 mm) |
lbs
N |
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5
(22) |
|
25
(111) |
0.132 inch
(3.3mm) |
0.020-0.315 in
(0.50-8.00 mm) |
lbs
N |
|
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5
(22) |
|
25
(111) |
9/64 inch
(3.6mm) |
0.012-0.394 in
(0.30-10.00 mm) |
lbs
N |
|
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|
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5
(22) |
|
25
(111) |
5/32 inch
(4mm) |
0.033-0.500 in
(0.84-12.70 mm) |
lbs
N |
|
|
|
|
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5
(22) |
|
25
(111) |
3/16 inch
(5mm) |
0.020-0.050 in
(0.50-12.70 mm) |
lbs
N |
|
|
|
|
10
(44) |
5
(22) |
|
25
(111) |
7/32 inch
(5.6mm) |
0.024-0.384 in
(0.61-9.75 mm) |
lbs
N |
|
|
|
|
10
(44) |
5
(22) |
|
25
(111) |
1/4 inch
(6mm) |
0.024-1.000 in
(0.61-25.4 mm) |
lbs
N |
5
(22) |
5
(22) |
|
|
10
(44) |
10
(44) |
|
50
(222) |
5/16 inch
(8mm) |
0.039-0.800 in
(1.00-20.32 mm) |
lbs
N |
10
(44) |
10
(44) |
|
20
(89) |
25
(111) |
20
(89) |
|
75
(334) |
3/8 inch
(10mm) |
0.025-1.500 in
(0.64-38.10 mm) |
lbs
N |
10
(44) |
10
(44) |
|
20
(89) |
25
(111) |
20
(89) |
|
75
(334) |
7/16 inch
(11mm) |
0.050-0.615 in
(1.27-15.62 mm) |
lbs
N |
15
(67) |
15
(67) |
|
|
75
(334) |
30
(133) |
|
90
(400) |
1/2 inch
(13mm) |
0.050-2.000 in
(1.27-50.80 mm) |
lbs
N |
25
(111) |
25
(111) |
|
|
75
(334) |
100
(445) |
150
(667) |
150
(667) |
5/8 inch
(16mm) |
0.100-2.000 in
(2.54-50.80 mm) |
lbs
N |
35
(156) |
35
(156) |
|
|
|
125
(556) |
250
(1112) |
225
(1001) |
3/4 inch
(19mm) |
0.0625-3.622 in
(1.59-92.00 mm) |
lbs
N |
|
55
(245) |
|
|
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150
(667) |
350
(1557) |
350
(1557) |
7/8 inch
(22mm) |
0.200-1.000 in
(5.08-25.4 mm) |
lbs
N |
|
55
(245) |
|
|
|
200
(890) |
350
(1557) |
500
(2224) |
15/16 inch
(24mm) |
0.050-3.000 in
(1.27-76.20 mm) |
lbs
N |
|
55
(245) |
|
|
|
200
(890) |
|
500
(2224) |