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Dormer MTT-X Series taps are manufactured from HSS-X1 Steel with a bright finish, they are right hand cutting. Premium substrate with Steam Oxide surface treatment reduces wear and prevents chip welding in abrasive or harder ferrous
materials.
Features
Metric fine sizes M4 to M22
Manufactured to ISO 529
Spiral flute for blind holes
Taper lead to DIN form C
Tapping tolerance to 6H
2.5xD
Helix angle 45
Steam tempered
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