Drill bits for air hammers

Drill bits for air hammers are a tool for cutting stone. Drill bits are a tool for cutting rock. Bye Different bit fronts are suitable for different rock conditions. Flat Front: This is a versatile design, especially for hard and abrasive rocks. Generally, flat front with hemispherical cutters is the most common choice. Convex Front: Classic design for soft to medium hard rocks. Its design has a very high penetration rate. But if the rock is hard, the hole is not very straight. Concave front: Medium-hard rocks. Less abrasive, fractured rocks. Excellent borehole straightness control. Especially for deep hole drilling, DGR face: (overlapping) peripheral row. Special design for hard or very hard rock conditions. Crowns with two calibration rows provide very excellent dish resistance and a very long service life. In addition, we manufacture drill bits with a variety of shanks so they can be compatible with a variety of hammers. Bit sizes Shank types Recommended bit diameter 3.5''/3'' Bits for air hammers COP34, DHD3.5, MISSION30, BR3 shank 90mm to 105mm 4'' Bits for air hammers DHD340, QL40, MISSION40, SD4 shank 110mm to 130mm 5'' Bits for air hammers DHD350, QL50, MISSION50, SD5 shank 134mm to 152mm 6'' Bits for air hammers DHD360, QL60, MISSION60, SD6 shank 152mm to 203mm 8'' Bits for air hammers DHD380, QL80, MISSION80, SD8 shank 2 03mm to 305mm 12' 'Bits for air hammers DHD112, SD12 and QL120 shank Available upon customer request Mobile/Skyp/Viber/Telegram: +86-182 8509 8718 Whatsapp:+852 5492 4434 Website: russian.sinodrills.com/ Email: russian@sinodrills.com Guizhou Sinodrills Equipment Co.,Ltd..