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Grand Logarithmic Grit Chart

Knife Sharpeners and Stone Formats Compatibility Chart

Venev Celectial Family

Hapstone R1 Knife Sharpener

HAPSTONE-R1-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 .

Description

Hapstone R1 Precision Knife Sharpener is the new flagship knife sharpener from Hapstone, the supplier of successful Hapstone V7 and Hapstone M2. Based on the cutting-edge rotating clamp technology, Hapstone R1 delivers the ultimate combination of high precision, rich features, and scalability to knife sharpening enthusiasts.

Features

  • New Rotating triple clamp system (side clamps are detachable)
  • New Adjustable clamps with Stainless-Steel Flat Springs
  • New Modular approach - everything is upgradable!
  • New Linear ball bearing provides smooth shaft movement and requires no lubrication or cleaning in heavy-duty usage
  • New Fine-tuning for angle adjustment 
  • New Pivot unit with the full 360° rotation
  • New One hex screwdriver for clamping and assembling
  • High-precision universal stone holder of Square design with built-in digital angle gauge holder
  • Anodized coating for extra durability
  • Full compatibility with Edge Pro and KME format stones
  • Suitable for sharpening stones up to 8 inches (210 mm)
  • Any sharpening angle in a range from 9° to 33° degrees (*)
  • All basic parts including thumbs are made of metal
  • Light-alloy horizontal shaft for better pressure control during the sharpening process
  • Fast assembly
  • Parking hook for horizontal shaft
  • Wooden handle to make time-consuming work a little easier
  • Heavy base does not require clamping to a table
  • Max blade length 19", max thickness 0.25"
  • Rubber coated supporting legs that can be used on any surface

* The sharpening angle range varies between different blades and sharpening modules:
15° - 33° for narrow blades with the rotating clamp system.
9° - 32 ° for wide blades with the rotating clamp system.
9° - 41° with the extendable table module.

These specifications enable Hapstone to deliver an industry-leading high-precision knife sharpener to the market.

Warranty

The manufacturer provides the 5-year warranty on Hapstone R1 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.

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.

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 Sold Out

(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 knife sharpener is shipped disassembled and requires assembling. There is no printed User's Guide for Hapstone R1.

Information for Wicked Edge users

Do you have Wicked Edge knife sharpening system and a large collection of stones?

Migrating to Hapstone or owning multiple sharpening systems will be very easy for you. With the Guide Rod, you can use all your Wicked Edge stones and paddles with Hapstone knife sharpener.

Wicked Edge owners will get FREE Guide Rod when purchasing Hapstone knife sharpener on Gritomatic. The time you make an order, send us a photo of your Wicked Edge unit with a paper sheet with the current date.

Questions and answers

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

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