--- title: Hardness Testing Sample Holders and Anvils url: https://www.buehler.com/products/hardness-testing/hardness-testing-sample-holders-and-anvils/ date: 2024-03-25T18:04:00+00:00 modified: 2025-02-06T15:40:19+00:00 lang: en_US --- # Hardness Testing Sample Holders and Anvils # Hardness Testing Sample Holders and Anvils ![Self Leveling Vise](https://buehler.com/wp-content/uploads/2024/03/0013215_6x-self-leveling-vise-for-round-samples-wo-insert.png) *Self Leveling Vise* ![Anvils](https://buehler.com/wp-content/uploads/2024/03/Anvils-group-photo.png) *Anvils* ## Sample Holders and Anvils Precision in hardness testing starts with the right support through hardness testing sample holders and anvils. Secure specimens, maintain stability during testing, and ensure the test surface is perpendicular to the indenter, guaranteeing trouble-free testing. Buehler’s product offering and capabilities may extend beyond these listed. Please contact our lab team if you need assistance selecting an appropriate hardness testing accessory for your application. [Shop Hardness Testing Accessories Now](https://shop.buehler.com/hardness-accessories/) ![Wilson® VH3300 Automatic Hardness Tester](https://buehler.com/wp-content/uploads/2021/10/VH3300_front-view_no-monitor.png) [Vickers Knoop](#vickers-knoop) ![Wilson Rockwell RH2150 Hardness Tester](https://buehler.com/wp-content/uploads/2021/10/RH2150_Front.png) [Rockwell](#rockwell) ![Wilson® BH3000 Brinell Hardness Tester](https://buehler.com/wp-content/uploads/2021/10/BH3000.png) [Brinell](#brinell-and-universal) ![Wilson UH4000 Universal Hardness Tester](https://buehler.com/wp-content/uploads/2021/10/UH4250-Auto.png) [Universal](#brinell-and-universal) #### Vickers and Knoop Sample Holders [Shop Hardness Testing Accessories Now](https://shop.buehler.com/hardness-accessories/) ##### Self Leveling Vises ![Self Leveling Vise](https://buehler.com/wp-content/uploads/2024/03/0013215_6x-self-leveling-vise-for-round-samples-wo-insert.png) One, four, or six fold vises for round, mounted samples and equipped with magnetic stops for added ease of use with motorized XY stages. ##### Universal Leveling Vise ![Universal Clamp and Leveling Device](https://buehler.com/wp-content/uploads/2024/03/Universal-Clamp-and-Leveling-Device.png) Designed to hold tapered pieces, wires, and mounted samples. ##### EZ Clamp ![EZ Clamp Canister](https://buehler.com/wp-content/uploads/2024/03/EZ-Clamp-Canister.png) Single mount canister acommodating a selection of mount diameters with different top plates. Unload and load samples onto the stage with ease through its magnetic design. [EZ Clamp Concept](https://buehler.com/blog/out-of-box-concept-with-mount-fixturing-ez-clamp/) ##### Precision Vise ![Precision Vise](https://buehler.com/wp-content/uploads/2024/03/Precision-Vise.png) Designed with a maximum opening of 45mm for small specimen hardness testing. ##### GP-HDT Holder ![GP-HDT Sample Fixture](https://buehler.com/wp-content/uploads/2024/03/GP-HDT-Sample-Fixture.png) Adjustable fixture for use with Grinding and Polishing central force specimen holders. Fixture directly accepts specimen holder and allows for multi-sample hardness testing without the need for unloading and reloading individual samples. Also use with UH4000 series. [GP-HDT Sample Fixture Page](https://buehler.com/products/hardness-testing/gp-hdt-sample-fixture/) #### Rockwell Anvils Anvils fit RH2150, R754, VH1102, VH1202, VH1150, and legacy testers with 19mm pinholes. [Shop Hardness Testing Accessories Now](https://shop.buehler.com/hardness-accessories/) ##### Flat Anvils ![Wilson RH2150 Hardness Tester Flat Anvil](https://buehler.com/wp-content/uploads/2021/10/900001236_flat-anvil.png) Used to support flat specimens and mounted samples perpendicular to the indenter. ##### V Anvils ![900007388 v anvil shallow](https://buehler.com/wp-content/uploads/2021/10/900007388_v-anvil-shallow.png) For samples with cylindrical shapes, such as rods or hard tubing. ##### Anvil Cylindrons ![900007147 anvil cylindron](https://buehler.com/wp-content/uploads/2021/10/900007147_anvil-cylindron.png) Designed to support cylindrical work. ##### Eyeball Anvil ![900007088 eyeball anvil](https://buehler.com/wp-content/uploads/2021/10/900007088_eyeball-anvil.png) Designed to test pieces with a slight taper. ##### Pedestal Spot Anvil ![900007387 pedistal spot anvil](https://buehler.com/wp-content/uploads/2021/10/900007387_pedistal-spot-anvil.png) Used with small parts and sheet metal when minimal support is required. ##### Diamond Spot Anvil ![900007400 diamond spot anvil](https://buehler.com/wp-content/uploads/2021/10/900007400_diamond-spot-anvil.png) Recommended for supporting thin, soft sheet metal \*should only be used with Rockwell superficial scales. ##### Narrow Tip Anvil ![Narrow Tip Anvil](https://buehler.com/wp-content/uploads/2024/03/Narrow-Tip-Anvil.png) For specialized applications to test irregularly shaped materials. ##### Gooseneck Anvil ![Wilson RH2150 Hardness Tester Indentor Extension Gooseneck Adapter](https://buehler.com/wp-content/uploads/2021/10/W2100G2_gooseneck-adapter.png) Designed to test the outside diameter of thin wall tubing, or for external testing of springs and coils. #### Brinell and Universal Anvils Anvils fit UH4000 seres, BH3000, and legacy testers with 25mm pinholes. [Shop Hardness Testing Accessories Now](https://shop.buehler.com/hardness-accessories/) ##### Flat Anvils ![Flat Anvil for UH4000](https://buehler.com/wp-content/uploads/2024/03/Flat-Anvil-for-uh4000.png) Used to support flat specimens and mounted samples perpendicular to the indenter. ##### V Anvils ![V Anvil for UH4000](https://buehler.com/wp-content/uploads/2024/03/V-Anvil-for-UH4000_2.png) For samples with cylindrical shapes, such as rods or hard tubing. ##### Spot Anvils ![Spot Anvils](https://buehler.com/wp-content/uploads/2024/03/Spot-Anvils.png) Designed to work with small workpieces. ##### Planoflex ![Planoflex Swivel Anvil](https://buehler.com/wp-content/uploads/2024/03/Planoflex-Swivel-Anvil.png) Auto-leveling anvil with flat, 60mm diameter.