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Alligator® Spiral Lace Fastening System

  • Spiral 1
  • Spiral 2
  • Spiral 3

Alligator® Spiral Lace Fastening System

The Alligator® Spiral Lace Fastening System is ideal for belt operations with small head pulleys that require both non-metallic and low-profile fasteners.

Why Spiral Lace?  

  • Mechanical fastener rating up to 50 PIW (8.7 kN/m)
  • Belts from 0.063” to 0.188” (1.6 mm to 4.6 mm) thick
  • Minimum pulley diameter from 0.4” to 0.6” (10 mm to 15 mm)
  • Produces a low-profile, non-marking splice
  • Removable hinge pin allows for easy cleaning and sanitation of belts
  • Available in white or blue polyester (FDA compliant materials), black polyester, or PEEK for high temperature applications

Installation Method

Machine installation by a qualified belt shop with experience in endless splices recommended

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How Alligator® Spiral Lace Fasteners Work 

Spiral LaceThe Alligator® Spiral Lace Fastener system was designed for small pulley, low-profile applications. The fastener is constructed of polyester webbing, spirals, and hinge pins. It is installed by either insertion between the plies, ply stepping, or finger splicing. 

 

Fastener Size Approximate Belt
Thickness Range
Minimum Pulley/
Nose bar
Approximate
Operating Tension

Maximum Operating
Temeprature 

Approximate
Pin Diameter
 
in. 
mm
in.
mm
P.I.W.
kN/m
Degrees
(F)
Degrees
(C)
in.
mm
ASL50

1/16-1/8

1.6-3.2

3/8

10

50

8.7

300

150

.031

0.8

ASL60/160

3/32-9/64

2.4-3.6

1/2

12.7

50

8.7

300

150

.035

.9

ASL90/190

1/8-3/16

3.2-4.6

5/8

15.3

50

8.7

300

150

.047

1.2

Select the best Alligator® Spiral Lacing for your application

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MineLine

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