ZKJ3221-28 Air Needle Scaler

ZKJ3221-28 Air Needle Scaler

The ZKJ3221-28 Air Needle Scaler is a medium-duty, high-performance tool designed for efficient removal of rust, paint, weld slag, and scale. Featuring a pistol grip handle, it provides ergonomic comfort and precise control, making it ideal for industrial maintenance, automotive repair, construction, and shipbuilding applications. Equipped with 28 high-strength steel needles, the ZKJ3221-28 delivers balanced cleaning power, perfect for medium-duty surface preparation tasks requiring both efficiency and accuracy.

SKU: ZKJ3221-28 Category: Tag:

ZKJ3221-28 Air Needle Scalers – Medium Duty Pistol Grip handle

 

 

The ZKJ3221-28 Air Needle Scaler is a medium-duty, high-performance tool designed for efficient removal of rust, paint, weld slag, and scale. Featuring a pistol grip handle, it provides ergonomic comfort and precise control, making it ideal for industrial maintenance, automotive repair, construction, and shipbuilding applications. Equipped with 28 high-strength steel needles, the ZKJ3221-28 delivers balanced cleaning power, perfect for medium-duty surface preparation tasks requiring both efficiency and accuracy.

 

 

Key Features

 

 

Medium-Duty Air Power
Provides consistent impact for controlled rust, paint, and scale removal.

28 High-Strength Needles
Ensures efficient and balanced cleaning for medium-duty applications.

Ergonomic Pistol Grip Handle
Reduces operator fatigue and enhances handling during extended operation.

Durable Construction
High-quality materials ensure long-lasting performance in industrial environments.

Versatile Surface Cleaning
Effective on flat, curved, and hard-to-reach surfaces.

Air-Powered Operation
Delivers continuous, reliable performance without overheating.

 

 

Benefits

 

 

  • Efficient Medium-Duty Cleaning: 28 needles deliver controlled and effective cleaning power.

  • Operator Comfort: Pistol grip design minimizes fatigue during prolonged use.

  • Durable & Reliable: Robust construction ensures consistent performance.

  • Versatile Use: Suitable for various surfaces and materials.

  • Low Maintenance: Rugged design reduces downtime and upkeep.

 

 

Applications

 

 

  • Industrial Maintenance: Medium-duty cleaning in factories, workshops, and plants.

  • Construction: Rust, paint, and scale removal from steel beams, rebar, and concrete.

  • Metal Fabrication: Surface preparation for welds and coating removal.

  • Automotive & Heavy Equipment: Rust and paint removal on machinery, frames, and panels.

  • Shipbuilding & Marine: Medium-duty cleaning on decks, hulls, and structural components.

 

 

Why Choose the ZKJ3221-28 Air Needle Scaler – Medium Duty Pistol Grip Handle?

 

 

 

The ZKJ3221-28 is designed for professionals who need a medium-duty needle scaler with balanced cleaning power, ergonomic handling, and reliable performance. Its 28-needle configuration delivers efficient surface prep, while the pistol grip handle ensures comfort and precise control during extended use. Perfect for industrial, automotive, construction, and marine applications, the ZKJ3221-28 provides a versatile and dependable solution for medium-duty scaling and cleaning tasks.

Features & Benefits

 

 

  • Texturing concrete
  • Cleaning & stress-relieving weld seams and joints
  • Removing coatings, corrosion & other accumulated materials
  • Chisel scalers for splitting, chipping, pointing, and brick raking
  • Convert to chisels in seconds
  • Dust shroud attachments available
  • Adjustable front tube extends needle life
  • Heat-treated piston and cylinder ensure excellent durability and long life

 

 

 

 

Specification:

 

 

  • Number of Needles: 28 pcs
  • Piston Diameter: 1.2(29.5) inch(mm)
  • Piston Stroke: 0.86(22) inch(mm)
  • Needle Diameter: 1/8×7(3×180) Øinch(mm)
  • Blows Per Min.: 2700 bpm
  • Avg. Air Cons.: 3(85) cfm(l/min)
  • Overall Length: 13.4(340) inch(mm)
  • Net Weight: 8.6(3.9) lbs(kgs)
  • Min. Hose Size: 3/8(10) inch(mm)
  • Air Inlet Size: 1/4 inch-NPT/PT

 

 

Model Numbers of
Needles pcs		 Piston Diameter
inch(mm)		 Piston Stroke
inch(mm)		 Needle Diameter
Øinch(mm)		 Blows Per Min.
bpm		 Avg. Air Cons.
cfm(l/min)		 Overall Length
inch(mm)		 Net Weight
lbs(kgs)
ZKJ3221-19 19 1.2(29.5) 0.86(22) 5/32×7(4×180) 2700 3(85) 13.4(340) 8.6(3.9)
ZKJ3221-28 28 1.2(29.5) 0.86(22) 1/8×7(3×180) 2700 3(85) 13.4(340) 8.6(3.9)
ZKJ3222 ─ 1.2(29.5) 0.86(22) ─ 2000 2(51) 11.6(295) 6(2.7)
ZKJ221-19 19 0.9(23) 1.3(33) 1/8×7(3×180) 3700 3(85) 13(330) 6(2.7)
ZKJ221-29 29 0.9(23) 1.3(33) 5/64×7(2×180) 3700 3(85) 13(330) 6(2.7)
ZKJ221A ─ 0.9(23) 1.3(33) ─ 3700 3(85) 13(330) 6(2.7)
ZKJ222 ─ 0.9(23) 1.3(33) ─ 2700 3(85) 11.6(295) 4.8(2.2)
ZKJ211-2B-19 19 0.9(23) 1.3(33) 1/8×7(3×180) 3700 3(85) 14.8(375) 6.2(2.8)
ZKJ211-2B-29 29 0.9(23) 1.3(33) 5/64×7(2×180) 3700 3(85) 14.8(375) 6.2(2.8)
ZKJ211A ─ 0.9(23) 1.3(33) ─ 3700 3(85) 14.8(375) 6.2(2.8)
ZKJ799NS-12 12 0.7(18) 1(26) 1/8×7(3×180) 4200 2(60) 14.2(360) 3.5(1.6)
ZKJ799NS-27 27 0.7(18) 1(26) 5/64×7(2×180) 4200 2(60) 14.2(360) 3.5(1.6)
  • Min. Hose Size: 3/8(10) inch(mm)
  • Air Inlet Size: 1/4 inch-NPT/PT

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