Product Name: High Speed Steel Rail Cutter Used to Rail Way Model NO.: DRHX Usage: metal Drilling Material: High Speed Steel Type: Core Drill Bit Length: 25mm Customized: Non-Customized Applications: Building and Industrial Shank Type: Weldon Shank OEM: Yes Trademark: CHTOOLS Transport Package: Plastic Box Specification: D 13.5mm~36mm, D. O. C. 20mm~50mm Origin: China HS Code: 8207509000 Product Description High speed steel rail cutter used to rail way1. Made of high speed steel, superiorly-designed geometry for better endurance.2. Supply Φ 19.0mm and Φ 19.05mm weldon shank.3. Applicable to hole cutting on railtrack, normal railtrack and hard-cut railtracks with strengh.TypeSizeDRHX-2013513.5*20DRHX-2018018*25DRHX-2019019*25DRHX-2020020*25DRHX-2021021*25...................DRHX-2036036*25