MHW-3BOMBER Astra Constant Pressure Tamper (51/53.35/58.5mm)

Consistent Espresso Excellence with the MHW-3BOMBER Astra Collection Constant Pressure Tamper

Unlock the full potential of your espresso setup with the MHW-3BOMBER Astra Collection Constant Pressure Tamper—a premium barista tool engineered for both passionate home brewers and professional coffee shops. Designed to deliver unwavering precision, this tamper guarantees a uniform coffee puck and optimal extraction every time. Whether you’re dialing in your workflow at a bustling café or perfecting your morning ritual at home, this tamper brings together innovation, durability, and style for a truly elevated coffee experience.

Engineered for Precision and Consistency

At the heart of every great espresso is consistency, and the Astra Collection Constant Pressure Tamper is meticulously crafted to ensure just that. Featuring an original three-spring mechanism—including a reset spring, horizontal assist spring, and constant pressure spring—this tamper delivers a reliable 30lb of pressure with every use. The result? A stable, uniform coffee puck that maximizes extraction, enhances flavor, and reduces channeling. With its adaptive height adjustment, you can easily accommodate various grind sizes and coffee types, making it a versatile addition to any specialty coffee gear lineup.

Key Features for the Modern Barista

• Original Three-Spring Structure: Guarantees consistent tamping pressure and a stable coffee puck for professional-level results.
• 30lb Constant Pressure: Maintains an exact 30lb force, optimizing espresso extraction and ensuring repeatable, flavorful shots.
• Adaptive Height Adjustment: Easily adapts to different grind sizes for various coffee styles and recipes.
• Tactile and Audible Feedback: Provides a clear confirmation when the desired pressure is reached, making tamping intuitive and precise.
• Threaded Base Design: Increases water contact area for improved extraction efficiency and flavor clarity.
• Multiple Sizes: Available in 51mm, 53.35mm, and 58.5mm to fit a wide range of portafilters and espresso machines.
• Easy Maintenance: Hollow horizontal limit ring reduces powder accumulation and simplifies cleaning.
• Includes 15lb Spring: Swap out for lighter pressure as desired, with a detailed spring replacement guide included.
• Protective Silicone Mat: Keeps your workspace clean and your tamper protected when not in use.

Premium Materials & Superior Craftsmanship

Crafted from high-grade aluminum alloy and SUS304 stainless steel, the Astra Collection Tamper is built to last. Its robust construction ensures long-term durability, while the electroplated “obsidian” black finish adds a touch of modern sophistication to your coffee equipment collection. The matte-finished handle provides a comfortable, non-slip grip, supporting precise and stable tamping even during busy service hours. All materials are food-safe, oxidation-resistant, and easy to clean, reflecting our commitment to quality over quantity in every detail.

How to Achieve Perfect Tamping Every Time

• Select the Right Size: Choose the tamper diameter (51mm, 53.35mm, or 58.5mm) that matches your portafilter for a snug fit.
• Adjust Height: Set the tamper height to accommodate your grind size and dose for a level puck.
• Apply Pressure: Press down until you hear and feel the audible feedback, indicating the precise 30lb pressure has been reached.
• Extract: Brew your espresso with confidence, knowing your puck is perfectly tamped for optimal extraction.
• Switch Springs: For a lighter tamp, follow the included guide to install the 15lb spring in minutes.

Dimensions, Measurements & Fit

• Height: 95mm
• Base Diameter Options: 51mm, 53.35mm, 58.5mm
• Weight: 380g
• Color: Electroplated “Obsidian” Black

Fits most commercial and home espresso machines—please confirm portafilter size for best results.

Care & Maintenance

• Wipe clean with a damp cloth after each use.
• Disassemble periodically to remove coffee residue and maintain spring performance.
• Avoid abrasive cleaners to preserve the matte and electroplated finish.
• Store on the included silicone mat to protect both the tamper and your work surface.

What’s Included in the Box

• MHW-3BOMBER Astra Collection Constant Pressure Tamper (selected size)
• 15lb replacement spring
• Silicone storage mat
• Spring replacement guide
• Original packaging

Product Specification