Condition New
M16 Adjustment Knob with 8mm Locking Pin
Fitness Equipment Seat, Back Pad & Support Arm Positioning Knob
This heavy-duty M16 adjustment knob with integrated 8mm locking pin is designed for strength equipment requiring secure positioning of seats, back pads, footplates, roller pads, and adjustable support assemblies. The threaded body allows the knob to tighten securely into the equipment frame while the integrated locking pin helps maintain proper positioning during use.
Commonly found on commercial strength equipment, adjustable benches, leg machines, functional trainers, and plate-loaded systems, this replacement adjustment knob restores safe and reliable equipment operation.
Dimensions
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Knob Diameter: 65mm (2.56")
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Knob Width: 40mm (1.57")
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Thread Size: M16
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Thread Length: 25mm (0.98")
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Locking Pin Diameter: 8mm (0.31")
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Pin Projection: 8mm (0.31")
Key Features
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Heavy-duty M16 threaded adjustment knob
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Integrated 8mm locking pin
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Large ergonomic grip for easy adjustment
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Durable composite construction
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Commercial-grade replacement component
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Helps maintain secure equipment positioning
Common Applications
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Adjustable weight benches
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Leg extension / leg curl machines
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Functional trainers
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Multi-station home gyms
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Smith machines
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Hack squat machines
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Seated row stations
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Lat pulldown machines
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Adjustable seat assemblies
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Back pad positioning systems
Common Compatible Brands
This style of M16 adjustment knob is commonly found on select models from:
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Body-Solid
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Powerline by Body-Solid
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Hoist Fitness
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TuffStuff
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Legend Fitness
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BodyCraft
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Cybex
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Life Fitness
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Hammer Strength
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Matrix
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SportsArt
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TRUE Fitness
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Paramount
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Torque Fitness
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York Barbell
- Sunny
- Yosuda & Pooboo
- Marcy
- Steelbody
Benefits
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Fast and secure equipment adjustments
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Positive positioning for adjustable components
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Easy-to-grip oversized knob
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Commercial-grade durability
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Ideal replacement for worn or damaged adjustment hardware
Important Fitment Information
Please verify:
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M16 thread size
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25mm thread length
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8mm locking pin diameter
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8mm pin projection
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Overall knob dimensions
Many fitness machines use similar adjustment knobs, but exact dimensions are required for proper fit and safe equipment operation.