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Special Series

Grand Logarithmic Grit Chart

Knife Sharpeners and Stone Formats Compatibility Chart

Venev Celectial Family

New

Hapstone R2
BLACK
Knife Sharpener

HAPSTONE-R2-BLACK-BAREBONE

Stone bundle
 
#
Number of stones in the stone set or the sharpener bundle ,
# * 2
means dual-sided stone with different grits ,
# + 1
means one stone out of the main series .
 
BLACK
is the name of extended custom kits made by Gritomatic. It includes the most useful and the most practical components for a particular sharpening system.

Description

Hapstone R2 Knife Sharpener is the new knife sharpener from Hapstone, supplier of successful Hapstone R1. Hapstone R2 on par with Hapstone V8 and Hapstone M3 is part of the Hapstone Modular Platform, innovative technology to let customers configure and upgrade the sharpening system with no limitations. Hapstone R2 is kitted with the cutting-edge rotating clamp module and delivers the ultimate combination of high precision, rich features, and scalability to knife sharpening enthusiasts.

BLACK
Edition

BLACK
Edition of Hapstone R2 is the first knife sharpener featuring four clamps. Asymmetric angled universal clamps utilize flexible flat spring and spacer screws to secure knives of any shape including a full flat grind.
BLACK
for Hapstone R2 includes:

Four Angled Universal Clamps

Fine-Tuning Adapter

Two Spring-Assisted Stoppers

Ball-End Hex Screwdriver (4 mm)
Ball-End Hex Screwdriver No brand $10.00 USD

Digital Angle Gauge
Digital Angle Gauge Gritomatic $19.00 USD

Hapstone Modular Platform

  • Hapstone Modular Platform and all modules can be purchased separately
  • The base with the pedestal stand for modules
  • Pivot unit with the full 360° rotation and parking hook for the guide rod
  • Linear ball-bearing provides smooth guide rod movement and requires no lubrication or cleaning in heavy-duty usage
  • Auto-adjustable universal stone holder with built-in digital angle gauge holder
  • Suitable for sharpening stones up to 6 inches (160 mm) including Edge Pro and KME formats
  • Light-alloy horizontal shaft for better pressure control during the sharpening process
  • Wooden handle to make time-consuming work a little easier
  • Rubber coated supporting legs that can be used on any surface
  • Available now: Rotating Clamp Module (Hapstone R2)
  • Available now: Extendable Table Module (Hapstone V8)
  • Available now: Small Table Module (Hapstone M3)
  • Available now: Scissors Module

Hapstone R2

  • Rotating clamp module with the crossbar for multiple clamps
  • Adjustable flipping strength
  • Any sharpening angle in a range from ° to ° degrees (*)
  • Max blade length ", max thickness 0".
  • Available now: Angled Universal Clamps (R2 Standard and R2 BLACK)
  • Available now: Y-shaped Central Clamps (R2 Classic)
  • Available now: Straight Side Clamps (R2 Classic)
  • Available now: Short Lite Clamps (R2 Lite)

* The sharpening angle range varies between different clamps and blades.

Hapstone R2 Kits

Hapstone R2 is available in 4 pre-configured kits: Lite, Standard, Classic, and BLACK. All the kits include Hapstone Modular Platform and Rotating Clamp Module.

Lite
Hapstone R2 Lite Knife Sharpener Hapstone from $220.00 USD

Entry-level sharpener for every-day carry knives
2x Short Lite Clamps
Standard

Mainstream sharpener with new clamps for all knives
2x Angled Universal Clamps
Classic

Classic clamp configuration (like Hapstone R1) for all knives
2x Straight Side Clamps
Y-shaped Central Clamps
Fine-Tuning Adapter
2x Spring-Assisted Stoppers
Ball-End Hex Screwdriver (4 mm)
BLACK
Hapstone R2
BLACK
Knife Sharpener
Hapstone from $440.00 USD

Extended kit with 4 new clamps and extra accessories
4x Angled Universal Clamps
Fine-Tuning Adapter
2x Spring-Assisted Stoppers
Digital Angle Gauge
Ball-End Hex Screwdriver (4 mm)

Stone bundles

You can purchase the sharpener in a bundle with one of our stone sets. Each of the recommended stone bundles includes stones with evenly incremented grit (grain size). You can check our recommendation, depending on the steel hardness of your knives.

If you already have a collection of sharpening stones, or if you plan to purchase stones of your choice, choose the Barebone kit with no stones.

Basic Diamond
Basic Diamond Set for Edge Pro Gritomatic $28.00 USD


Coated diamonds #240
Coated diamonds #600
Coated diamonds #1000
Inexpensive electroplated diamonds are mounted on aluminum blank with laser engraving. For all steels.
Venev Dog
Venev 4" Dog Series Dual Side Diamond Set Venev Industrial Diamonds $17.00 USD

(Procyon Stone Set)
Venev Diamond 100 + 240
Venev Diamond 400 OCB + 800 OCB
Inexpensive but powerful diamond set. 4" resin-bonded dual-sided diamonds. Four grits 100 to 800 FEPA. For all steels. To be used with water.
Venev Centaur
Venev 6" x 1" Centaur Series Dual Side Diamond Set Venev Industrial Diamonds from $100.00 USD

(3Centauri Stone Set)
Venev Diamond 80 + 150 (100%)
Venev Diamond 240 + 400 OCB (25%)
Venev Diamond 800 OCB + 1200 OCB (25%)
Mid range diamond set for all users. 6" resin-bonded dual-sided diamonds. Six grits 80 to 1200 FEPA. For all steels. To be used with water.
Venev Orion
Venev Orion Series Diamond Set for Edge Pro Venev Industrial Diamonds from $200.00 USD

(Rigel Stone Set)
Orion 80 (100%)
Orion 150 (100%)
Orion 240 (100%)
Orion 400 (OCB 25%)
Orion 800 (OCB 25%)
Orion 1200 (OCB 25%)
Premium resin-bonded diamond set. All diamonds are mounted on aluminum blanks and easy to use. To be used with water.
Silicon Carbide

Gritomatic Silicon Carbide 120
Gritomatic Silicon Carbide 240
Gritomatic Silicon Carbide 600
Gritomatic Silicon Carbide 1000
Gritomatic Silicon Carbide 2500
Silicon carbide stone set for hard steels (over 58 hRC). All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water.
Boride
Boride Stone Set for Edge Pro Boride from $55.00 USD

Boride T2 150
Boride T2 220
Boride T2 400
Boride T2 800
Boride T2 1200
Hard bonding aluminum oxide stone set for experienced users. For all steels. Can be used with water or oil.
Chosera

Gritomatic Silicon Carbide 120
Chosera 400
Chosera 1000
Chosera 3000
Chosera 10000
Premium japanese stone set for all steels. Includes complimentary 120 grit silicon carbide stone. All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water.
Shapton Pro

Shapton Pro 120
Shapton Pro 320
Shapton Pro 1000
Shapton Pro 2000
Shapton Pro 5000
Shapton Pro 12000
Premium japanese stone set for all steels. All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water.
Matrix


Edge Pro Matrix 80
Edge Pro Matrix 250
Edge Pro Matrix 650
Edge Pro Matrix 1100
Edge Pro Matrix 2300
Edge Pro Matrix 4000

Premium resin-bonded diamond set. All diamonds are mounted on aluminum blanks and easy to use. To be used with water.

How to use Hapstone Sharpener

Hapstone R2 knife sharpener is shipped disassembled and requires assembling. Refer to the Quick Start Guide.

Warranty

The manufacturer provides the 5-year warranty on Hapstone R2 knife sharpeners. You can be sure of the reliability of the devices and support from the manufacturer for the entire period of use.

Gritomatic handles warranty support for Hapstone sharpeners in the USA.

FAQ

  • Why new Hapstone sharpeners don't support 8" sharpening stones?

    Haptone has 8" stones support since the first version of Hapstone PRO. The best stone form-factor today is 6" Edge Pro. All new knife sharpeners must support it. 8" stones support is declared useless and economically unreasonable.    

  • I want to use my 8" bench stones. I will buy a sharpener with 8" stone support. 

    You will not use 8" bench stones even if your sharpener supports 8" stones. Bench stones are too heavy and obstruct visibility.

  • Hapstone R2 is smaller than Hapstone R1. Does it mean R1 is better?

    Hapstone R2 becomes smaller for one reason - 8" stone support has been eliminated. The main stone form factor is 6" Edge Pro. Hapstone R2 becomes 2" smaller and lighter.

  • Hapstone R2 is much cheaper than Hapstone R1. Does it mean R1 is better?

    Hapstone R2 is available in 4 different kits in different price ranges. Hapstone R2 Classic is the successor of Hapstone R1: triple clamp configuration, fine-tuning adapter, and spring-assisted stoppers. Hapstone R2 Classic is cheaper than Hapstone R1, but the price difference is not big. At the same time, Hapstone R2 has a better stone holder and better clamps.

  • How to use new clamps on Hapstone R1? Can I upgrade R1 to R2?

    All new clamps and the new rotating clamp module are incompatible with Hapstone R1. The adapter is in development. Hapstone R1 owners will get it for free with the purchase of a new rotating clamp module.

Questions and answers

If you have a question regarding this product, please feel free to ask.

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