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

• Knob Diameter: 65mm (2.56")
• Knob Width: 40mm (1.57")
• Thread Size: M16
• Thread Length: 25mm (0.98")
• Locking Pin Diameter: 8mm (0.31")
• Pin Projection: 8mm (0.31")

Key Features

• Heavy-duty M16 threaded adjustment knob
• Integrated 8mm locking pin
• Large ergonomic grip for easy adjustment
• Durable composite construction
• Commercial-grade replacement component
• Helps maintain secure equipment positioning

Common Applications

• Adjustable weight benches
• Leg extension / leg curl machines
• Functional trainers
• Multi-station home gyms
• Smith machines
• Hack squat machines
• Seated row stations
• Lat pulldown machines
• Adjustable seat assemblies
• Back pad positioning systems

Common Compatible Brands

This style of M16 adjustment knob is commonly found on select models from:

• Body-Solid
• Powerline by Body-Solid
• Hoist Fitness
• TuffStuff
• Legend Fitness
• BodyCraft
• Cybex
• Life Fitness
• Hammer Strength
• Matrix
• SportsArt
• TRUE Fitness
• Paramount
• Torque Fitness
• York Barbell
• Sunny
• Yosuda & Pooboo
• Marcy
• Steelbody

Benefits

• Fast and secure equipment adjustments
• Positive positioning for adjustable components
• Easy-to-grip oversized knob
• Commercial-grade durability
• Ideal replacement for worn or damaged adjustment hardware

Important Fitment Information

Please verify:

• M16 thread size
• 25mm thread length
• 8mm locking pin diameter
• 8mm pin projection
• Overall knob dimensions

Many fitness machines use similar adjustment knobs, but exact dimensions are required for proper fit and safe equipment operation.

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