Item Condition: New
M16 × 1.5 Pull Pin / Pop Pin Adjustment Knob
Available in 18mm, 20mm, 25mm & 27mm Pin Lengths - See measuring guide at the bottom.
These M16 × 1.5 threaded pull pins are designed for fitness equipment requiring quick and secure adjustment of seats, back pads, footplates, support arms, and other movable components. Commonly used on strength machines, functional trainers, plate-loaded equipment, benches, and selectorized gym systems, these pull pins provide positive locking engagement while allowing fast equipment adjustments.
This listing includes four common pin projection lengths to accommodate different frame thicknesses and adjustment applications.
Available Sizes
| Part Number | Thread Size | Pin Diameter | Pin Projection Length |
|---|---|---|---|
| #7682-18 | M16 × 1.5 | 8mm (0.31") | 18mm (0.71") |
| #7682-20 | M16 × 1.5 | 8mm (0.31") | 20mm (0.79") |
| #7682-25 | M16 × 1.5 | 8mm (0.31") | 25mm (0.98") |
| #7682-27 | M16 × 1.5 | 8mm (0.31") | 27mm (1.06") |
Common Dimensions
- Knob Diameter: 54mm (2.13")
- Thread Diameter: 16mm (5/8")
- Thread Pitch: M16 × 1.5
- Pin Diameter: 8mm (0.31")
Key Features
- Positive locking pull pin design
- M16 × 1.5 fine-thread body
- Large ergonomic adjustment knob
- Commercial-grade construction
- Direct replacement for worn or damaged adjustment pins
Common Compatible Brands
These M16 × 1.5 pull pins are commonly found on select models from:
- Body-Solid
- Powerline by Body-Solid
- Hoist Fitness
- TuffStuff
- Cybex
- Life Fitness
- Hammer Strength
- Nautilus
- Star Trac
- Matrix
- SportsArt
- Precor
- TRUE Fitness
- BodyCraft
- Legend Fitness
- Torque Fitness
- Sunny Health & Fitness
- Joroto
- Pooboo
- Echelon (some models)
- Yosuda
- Various OEM/white-label spin bikes
- Marcy/Apex
Common Applications
- Adjustable weight benches
- Functional trainers
- Multi-station home gyms
- Leg press machines
- Smith machines
- Seat adjustments
- Back pad positioning
- Roller pad adjustments
- Safety stop positioning
- Support arm adjustments
Other Applications
- Indoor Cycling & Stationary Bikes: Used for seat post height, seat forward/backward horizontal slides, and handlebar height adjustments.
- Squat Racks & Power Cages: Used on adjustable spotter arms, J-cups, or integrated cable pulley attachments.
- Weight Benches: Used for incline/decline backrest adjustments and leg developer extensions.
- Selectorized Strength Equipment: Used on chest press machines, leg extensions, and functional trainers to adjust user position settings
Important Fitment Information
The most important measurement is the pin projection length. Many fitness machines use the same M16 × 1.5 thread but require different pin lengths.
Please verify:
- M16 × 1.5 thread size
- 8mm pin diameter
- Required pin projection length (18mm, 20mm, 25mm, or 27mm)
before ordering.