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All Products ➞ Goliath Threading Tools ➞ Taps Hand & Machine ➞ HSS Straight Flute Short Machine and Hand Taps ➞ BSW LEFT HAND
1" x 8 BSW Intermediate Left Hand HSS Tap - Goliath
| Part Number: | C20AB4L |
| Brand: | Goliath |
| Barcode: | 9349009008138 |
| Pack Qty: | 1 |
| Diameter (inch): | 1" |
| Drill Diameter (mm): | 22 |
| Lead: | Intermediate |
| Overall Length (mm): | 130 |
| Pitch (tpi): | 8 |
| TPI: | 8 |
| Tolerance: | CL 2 |
| # Flutes: | 4 |
| Standard: | ISO529 |
| Thread Form: | BSW |
About this item:
- 1" x 8 BSW Intermediate Left Hand HSS Tap - Goliath
- LEFT HAND HSS Bright Finish BSW Hand and Machine Intermediate Tap.
- HSS Straight Flute Short Machine and Hand Taps.
- These general purpose taps are ideal for creating new threads in a wide variety of materials.
- Goliath HSS taps provide a high hardness to toughness ratio, compressive and tensile strength, good abrasion resistance and resistance to micro-chipping, ensuring a long tool life.
- British Standard Whitworth angle of thread is 55 degrees as opposed to 60 degrees in Metric and Unified threads.
- This thread form was developed by Sir Joseph Whitworth in 1841.
- The thread form has rounded roots and crests and is specified in BS84:1956.
- Intermediate Taps have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.
- Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.