SAE Tap and Die Set – 40 Piece Professional Threading Kit Designed for accuracy, durability, and versatility, this SAE Tap and Die Set is ideal for creating threads or repairing worn threads on a wide range of metals, including carbon steel, cast iron, aluminum, brass, copper, and stainless steel. for rethreading fasteners and fastener holes during automotive, machinery, and equipment repairs. Key Features and Benefits: **Versatile Threading Capability**: Suitable for both internal and external thread and creation. Taps are used for internal threading, while dies handle external threading, making it a complete threading solution. **Precision Performance**: Cutting teeth are CNC machined and heattreated to Rockwell hardness 60 HRC, ensuring smooth cutting action, reduced wear, and longlasting accuracy. Tapered coarse and fine taps and dies guide easily into the material to prevent overthreading. **Strong Industrial Material**: Crafted from industrialgrade GCr15 bearing steel for strength and extended tool life under demanding workloads. **Comprehensive Set Contents**: The 40piece kit includes everything needed for quality threading work: 17 x Taps for internal threads 17 x Dies for external threads 1 x Long handle adjustable tap wrench 1 x Thandle tap wrench 1 x Adjustable die wrench 1 x Mini 1/8 inch flat screwdriver 1 x Thread pitch gauge 1 x Heavyduty storage case for organized portability **Professional and Workshop Ready**: Designed for use by craftsmen, mechanics, and metalworkers who require precision threading tools for daily tasks. Practical Use Scenarios: 1. **Automotive **: Restore damaged bolt threads on engine components, frames, or brackets, ensuring a fit for replacement fasteners. 2. **Machinery Maintenance**: Recut damaged threads on shafts, housings, or machine parts to extend equipment life without costly replacements. 3. **Metal Fabrication Projects**: Create precise threads for bolts, nuts, or custom fittings in construction, prototyping, or assembly work. This SAE Tap and Die Set offers a balance of strength, precision, and completeness, making it a dependable asset for professional and home workshops alike. The included storage case ensures each tool remains protected and easy to locate, enabling efficient thread work whenever and wherever it is needed.