Features: Angle of thread is 60 degrees. ; The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. ; Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. ; The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres). ; TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes. ; Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use. ; 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. ; BOTTOMING TAPS have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. ; Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. ; Specifications:Diameter4.5 mmPitch0.5 mmLeadingSetOverall Length53 mmTapping Drill4 mm
Features: Angle of thread is 60 degrees. ; The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. ; Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. ; The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres). ; TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes. ; Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use. ; 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. ; BOTTOMING TAPS have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. ; Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. ; Specifications:Diameter4.5 mmPitch0.5 mmLeadingSetOverall Length53 mmTapping Drill4 mm
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Features: Angle of thread is 60 degrees. ; The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. ; Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. ; The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres). ; TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes. ; Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use. ; 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. ; BOTTOMING TAPS have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. ; Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. ; Specifications:Diameter4.5 mmPitch0.5 mmLeadingSetOverall Length53 mmTapping Drill4 mm
Features: Angle of thread is 60 degrees. ; The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. ; Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. ; The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres). ; TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes. ; Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use. ; 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. ; BOTTOMING TAPS have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. ; Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. ; Specifications:Diameter4.5 mmPitch0.5 mmLeadingSetOverall Length53 mmTapping Drill4 mm
Size
Last updated at 02/07/2025 15:31:52
| Diameter (inch) | 1/2 |
| Pitch/TPI | 16 |
| Drill Size (mm) | 11.1 |
| Thread Form Type | BSF |
| Overall Length (OAL) mm | 89 |
| Diameter (inch) | 1/2 |
| Pitch/TPI | 16 |
| Drill Size (mm) | 11.1 |
| Thread Form Type | BSF |
| Overall Length (OAL) mm | 89 |
