Senco SLS20XP-L 18ga Narrow-Crown Stapler | 90 Series | 10–38 mm
18ga | 6.35 mm crown | 10–38 mm

Model 16/851SCode YW-001
Ask the workshop Not sure it suits the job, or which fasteners it takes? Ring the people who fix them.
The Youngwoo 16/851S is a dependable, workshop-ready pneumatic stapler built for clean, consistent fastening in furniture, interiors and light construction. This 16ga medium-crown stapler drives 11.1 mm crown staples from 19–50 mm, giving you the versatility needed for sofa frames, cabinetry assembly, interior trim, and subfloor stapling.
Its compact 2.1 kg body keeps fatigue down during long shifts, while the quick-load magazine and clear sightline make it easy to place staples accurately in tight spaces. Operating at a standard 5–8 bar, the 16/851S runs smoothly on any shop or site air compressor, delivering reliable drive power for daily trade use.
Built for control, the tool features a comfortable gripped handle, balanced weight distribution, and a positive-latch magazine that speeds up reloads. Whether you’re assembling furniture, installing mouldings, building cabinet carcasses, or fastening underlayment, this air stapler performs with the consistency and durability needed on professional jobsites.
16ga medium-crown platform (11.1 mm crown; 19–50 mm staples)
Reliable pneumatic drive; working pressure 5–8 bar
Compact 35 × 8.2 × 28 cm body; approx. 2.1 kg
Quick-load magazine with positive latch
Comfortable, grippy handle for precise control
Sofa and furniture frame assembly
Interior trim, casing, skirting and general joinery
Flooring underlayment / subfloor stapling
Cabinet carcasses, crates and light fabrication
Youngwoo 16/851S pneumatic stapler
User manual and basic service kit
| Brand | Youngwoo Fasteners |
|---|---|
| Model | 16/851S |
| Gauge | 16ga |
| Fastener Type | Medium-crown staples |
| Fastener Length | 19–50 mm |
| Activation Method | Contact (bump) |
| Driving System | Pneumatic (air) |
| Operating Pressure | 5–8 bar |
| Magazine Capacity | ~150 staples (approx.) |
| Shipping weight | 2.1 kg |
18ga | 6.35 mm crown | 10–38 mm
Accepts BeA 92 series staples (10–25 mm)
Uses JK779 staples (12–22 mm)
Uses JK690 fine-wire staples (12–19 mm)