Protective Boots for Translating and Keyed Design Machine Screw Jacks

Joyce boots protect the lifting screw from dust, dirt, and help maintain lubrication. Standard boots, fabricated from neoprene-coated nylon also guard against moisture and corrosive contaminants. Adding protective boots may increase the closed height of jacks. For specific dimensional information based on jack design, refer to the information below.

  • Zippered boots
  • Horizontally mounted boots
  • Boots for extreme temperatures (-100°F to 500°F)
  • Boots for corrosive atmospheres
  • Boots for Bevel Gear Jacks and Bevel Ball Actuators

Ordering Information:

Since boots are designed for specific jacks and actuators, they are specified as part of the complete part number. Refer to the ordering section for the products on which they will be used: Machine Screw Jacks, Machine Screw ComDRIVEs, Ball Screw Jacks, Ball Screw ComDRIVEs, Stainless Steel Screw Jacks, Metric Screw Jacks, Bevel Gear Jacks, Bevel Ball Actuators

Replacement Boots: To order replacement boots, contact sales@joycedayton.com and provide the serial number of the jack on which the boots will be mounted.

Standard boots are neoprene-coated nylon stitched bellows. They are rated for -60°F to 250°F.

  Thickness 
MaterialTemperature RangeIn.mm.Offers Resistance to:
Neoprene-coated nylon Black (standard material) –60°F to 250°F. 0.020 0.51 Vegetable and animal oils, weather, abrasion
Neoprene-coated nylon Black –60°F to 250°F. 0.036 0.91 Vegetable and animal oils,  weather, abrasion
Hypalon-coated nylon Green –60°F to 250°F. 0.024 0.61 Vegetable and animal oils,  weather, abrasion
Hypalon-coated nylon Black –60°F to 250°F. 0.023 0.58 Vegetable and animal oils,  weather, abrasion, ozone, acids
Silicon-coated fiberglass Red-orange –100°F to 450°F. 0.022 0.56 Vegetable and animal oils,  weather, abrasion, ozone, acids
Aluminum-coated fiberglass Silver –100°F to 500°F 0.020 0.51 Weld spatter, flame

Jack CapacityA - Closed Height for Upright JackMax. Travel Without Increasing Closed Height -Upright Type 2**B- Closed Height for Inverted JackC O.D. of BootD Collar Diameter
Type 1Type 2Type 3Type 4Type 1Type 2Type 3Type4
250/500 Lb. 4 1/2 4 4 1/2 3 3/4 12 2 3/4 1 5/8 2 3/4 2 3 1/2 2 5/16
1,000 Lb. 4 4 4 4 12 3 2 3 2 1/4 3 1/2 2 5/16
1 Ton 5 3/8 4 1/2 5 3/8 5 3/8 9 2 1/2 1 15/16 2 1/2 2 1/2 5 2 3/4
2 Ton 6 5 5/16 6 6 1/4 3 2 7/8 2 1/16 2 7/8 3 3/16 5 3 3/4
3 Ton 5 15/16 5 1/4 5 15/16 6 3/4 0 2 5/8 1 15/16 2 5/8 3 1/2 5 3 3/4
5 Ton 7 3/4 7 1/19 7 3/4 8 1/4 6 3 7/8 2 11/16 3 7/8 4 3/8 5 1/2 4 3/4
10 Ton 8 7 1/4 8 8 11/16 9 4 2 1/2 4 4 11/16 6 1/2 5 3/4
15 Ton 8 3/4 8 8 3/4 9 7/16 9 4 2 1/2 4 4 11/16 6 1/2 5 3/4
20 Ton 9 15/16 9 1/4 9 15/16 10 3/4 9 3 15/16 2 1/2 3 15/16 4 3/4 6 1/2 6
25 Ton 11 3/8 11 12 1/4 12 3/4 9 4 1/16 2 7/8 4 15/16 5 7/16 8 7 1/2
30 Ton 11 15/16 11 1/2 11 3/16 17 1/16 21 4 15/16 4 1/8 4 3/16 9 11/16 8 8 1/4
35 Ton 13 5/8 12 13 5/8 13 5/8 0 6 11/16 5 1/16 6 11/16 6 11/16 10 8 1/2
50 Ton 18 14 3/8 18 18 0 10 5/8 7 8 3/8 9 1/8 13 11 5/8
75 Ton 20 1/2 16 1/2 20 1/2 20 1/2 0 9 7/8 5 13/16 7 3/4 7 7/8 13 13 1/2
100 Ton 20 1/4 19 20 1/4 21 1/4 0 9 7/8 6 7/16 8 3/8 8 7/8 14 1/2 15

Files must be less than 2 MB.
Allowed file types: gif jpg png tif pdf dwg jpeg jax.
Files must be less than 2 MB.
Allowed file types: gif jpg png tif pdf dwg jpeg jax.
Files must be less than 2 MB.
Allowed file types: gif jpg png tif pdf dwg jpeg jax.
Files must be less than 2 MB.
Allowed file types: gif jpg png tif pdf dwg jpeg jax.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.