Description
Walter 03B166 1-12 NF Bottom HS Tap is engineered for precision threading in fine-thread applications. Made from premium high-speed steel (HSS) with ground, hardened, and tempered threads, this bottoming tap provides maximum durability and a long service life. Its bottom geometry makes it the right choice for threading blind holes to the bottom with accuracy, while its robust design ensures reliable performance across a wide range of materials.
Features:
- Made from premium grade HSS for extended tool life.
- Available in plug geometry for versatile use.
- Spiral point designed to eject chips through the bottom of the hole for efficiency.
- Special bronze SST surface treatment for extreme lubricity and longer lifespan.
- Long and resistant shank designed for tapping deeper holes.
- 3 flats on the shank allow secure grip in drill chucks without slippage.
Benefits:
- Ideal for creating precise fine threads in blind hole applications.
- Durable construction ensures reduced wear and longer service life.
- Chip ejection design helps prevent clogging and improves threading efficiency.
- Secure fit reduces tool slippage, ensuring cleaner, more accurate threading.
Technical Specifications:
- Model: 03B166
- Size: 1-12 NF
- Type: Bottom HS Tap
- Material: Premium high-speed steel (HSS)
- Surface Treatment: Bronze SST for enhanced lubricity and durability
- Shank: Long with 3 flats, designed for deeper hole applications






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