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Nickel-Plated Quick Reference Guide
Solid Bushings | Solid Rollers | Superior Capacity Plus | High Grade Alloy Steel | All Shot Peened Parts | Specially Treated Pins & Bushings

HKK Nickel-Plated chains are used in mildly corrosive environments such as outdoors. Carbon steel Nickel-Plated chain is plated before assembly to ensure complete protection of all parts, while providing maximum strength. HKK Nickel-Plated chains are manufactured with solid rollers and solid bushings to extend chain life. Nickel-Plated attachment chains are also available. Zinc-Plated chains are also available upon request.

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HKK
Chain
No. (1)
Pitch Roller Pin Plate Overall Width Transverse
Pitch
Maximum
Allowable
Load (lbs) (29)
Average
Ultimate
Strength (lbs) (30)
Average
Weight Per Foot (lbs)
Dia. Width Dia. Height Thickness
A (3)B (6)W (7)D (8)H (10)T (14)L1 (19)L2 (20)G (27)Riveted (31)
SINGLE PITCH
HKK 25-NP* 1/4 0.130 1/8 0.0905 0.236 0.030 0.150 0.185 - 140 1,050 0.09
HKK 35-NP* 3/8 0.200 5/16 0.141 0.347 0.050 0.233 0.267 - 480 2,400 0.23
HKK 41-NP•• 1/2 0.306 1/4 0.141 0.386 0.050 0.266 0.312 - 500 2,600 0.27
HKK 40-NPHKK 40-2-NP 1/2 0.312 3/16 0.156 0.4570.457 0.060 0.3230.603 0.3540.645 -0.567 8101,370 4,3008,600 0.400.82
HKK 50-NPHKK 50-2-NP 5/8 0.400 3/8 0.200 0.5710.571 0.080 0.4000.752 0.4450.803 -0.712 1,4002,380 7,20014,400 0.671.36
HKK 60-NPHKK 60-2-NP 3/4 0.469 1/2 0.234 0.6890.689 0.094 0.5000.945 0.5481.000 -0.898 1,9503,315 10,00020,000 0.981.98
HKK 80-NPHKK 80-2-NP 1 0.625 5/8 0.312 0.9210.921 0.125 0.6281.201 0.7501.319 -1.153 3,3005,610 17,60035,400 1.693.42
DOUBLE PITCH
HKK C 2040-NP 1 0.312 5/16 0.156 0.450 0.060 0.323 0.378 600 4,300 0.32
HKK C 2050-NP 1 - 1/4 0.400 3/8 0.200 0.591 0.080 0.400 0.467 1,000 7,200 0.55
HKK C 2060H-NP 1 - 1/2 0.469 1/2 0.234 0.670 0.125 0.565 0.657 1,400 12,300 0.93
HKK C 2080H-NP 2 0.625 5/8 0.312 0.890 0.156 0.699 0.829 2,400 20,200 1.56
Dimensions in inches & pounds

* – Rollerless Chain: Roller Diameter “B” is identical to the bushing diameter, as these chains have no rollers
•• – Split Bushing Chains

SpecificationsStandard Length Packaging