High-speed steel valve seat cutter set for car and motorcycle engines. 5 Piece HSS Valve Seat Cutter Set. 20 Degree Drill Cutter: 1 1/2″, 45 Degree: 1 5/16″, 1 1/2″, 1 5/8″, 1 7/16 Sizes. Pilots / Guides / Stems: 7/16″, 5/16″. Mandrel/Handle Bars: 1 Piece, Handle Handles: 1 Piece. Praztech Engineering Engine Repair Tool, 100% HSS Material. Cuts cast iron, alloy steel, vintage motors, modern motors, and high-speed steel for powerful cutting. This cuts hardened seats. 10 Piece HSS Valve Seat Cutter Set. 70/20 Degree Hole Cutter: 1 1/4″, 1 1/2″. 30 Degrees: 1 3/4. 45 Degrees: 1 3/16″, 1 1/4″, 1 5/16″, 1 7/16″, 1 1/2″, 1 5/8″, 1 3/4. 8 Guide/Guide/Stem Sizes: 7mm, 8mm, 8.5mm, 9mm, 10mm, 5/16″, 7/16″, 11/32. Mandrel/handle bars: 1 piece, handle handles: 2 pieces. 15 Piece HSS Valve Seat Cutter Set. 15 Piece Carbon Steel Valve Seat End Mill Set. 70/20 Degree Bore Cutter: 1 1/4″, 1 1/2″, 1 3/4… 30 Degrees: 1 3/4″, 1 7/8″…. 45 Degrees: 1 3/16″, 1 1/4″, 1 5/16″, 1 1/2″, 1 5/8″, 1 3/4″, 1 7/8″, 1 3/8″, 2. Mandrel/Handle Bars: 1 Piece: Handle Handles: 2 Pieces. 20 Piece HSS Valve Seat Cutter Set. 20° drill cutter as follows: 2″, 1-3/4″, 1-1/2″, 1-1/4″. 30° degree cutter as follows: 1-3/4″, 1-7/8″. 45° degree cutter as follows: 2-1/8″, 2″, 1-7/8″, 1-3/4″, 1-5/8″, 1-9/16″, 1-1/2″, 1-7/16″, 1-3/8″, 1-5/16″, 1-1/4″, 1-3/16″, 1-1-8″, 1″. Pilot/Marrel: 5/16″, 11/32″, 3/8″, 7/16″, 7mm, 8mm, 8.5mm, 9mm. Praztech Engineering Engine Repair Tool. Practical for DIY enthusiasts. This type of seat cutter is suitable for non-hardened seats. 24 Piece HSS Valve Seat Cutter Set. 24 Piece Carbon Steel Valve Seat Cutter Set. 70/20 Degree Bore Cutter: 1 1/4″, 1 1/2″, 1 3/4″, 2″, 30 Degrees: 1 3/4″, 1 7/8″, 45 Degrees: 1 13/16″, 1 1/16″, 1 11 /16″, 1″, 1 1/8″, 1 3/16″, 1 1 1/4″, 1 5/16″, 1 7/16″, 1 1/2″, 1 5/8″, 1 3/8″, 1 3/8″, 1 9/16″, 2, 2 1/8″, 2 1/4″. About Us: Best Tools consists of a dedicated and knowledgeable team of engineers dedicated to providing you with tools to the highest industry standards. We are located in the industrial centre and specialise in providing complete tooling solutions. Our motto: Right quality, right price. For your order, you can simply. We are not liable for this. We will make sure the product reaches you as soon as possible.