Dies
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


D
Solid Round Dies
Specification
(for through hole)


Front face


For icon explanation, refer to P.50
(for through hole)


Product features
New Solid Round Dies-D are born, with improved accuracy of run-out tolerance.
The Solid Round Dies-D, realize consistent thread cutting by adopting HSS material.
Hand Taps


①The side with markings on its bevel, is the front face. ■Solid Round Dies-D Front face
This makes it easy to determine the cutting direction. Markings on its bevel portion
Cemented
Carbide Taps


Above is the picture of RD-DA(refer to P.636)
Roll Taps


② The rear face becomes the base for cutting. ■Solid Round Dies-D Rear face Special tooling "RD-DA" is available at YAMAWA
The rear face has a recess so that the die can fit (basis for cutting) Adjustable Dies Solid Round Dies-D
tightly in the die holder when installing.
※Solid Round Dies-D cannot be used from Rear face.
Special Thread Taps
Pipe Taps Simple Inspection Tools


Stable basis face
Shallow counterbore

③ D is solid type and does not need the adjusting screw. Adjustable Dies Solid Round Dies-D
Compared with adjustable type, accuracy of D's outside diameter has been greatly
improved.
Thread Mills


④ D has succeeded in solving difficult problems related to adjustable dies and achieved the high precision cutting of external threads.
Cutting condition
Die size M6×1 φ20 Adjustable Dies Solid Round Dies-D
Dies


Work material Free cutting steel
Cutting speed 2.6m/min Tears and stripes on thread flanks
Feed Free
Machine Engine lathe
Cutting fluid Insoluble oil
Center Drills
Centering Tools


※External threads cut by Solid Round Dies-D have less tears and
stripes on thread flank face.

JIS
Di-1
612 For improvement, spec may change without advance notice.