Каталог Winstar сверление - страница 109

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Technical Data Geometry Design of Drills 鑽頭幾何設計 For High Performance Series with Internal Coolant Reinforced Shank with Double Margins Overall Length Internal Coolant Cutting Length D Ds Type SX Helix Angle Tip Angle 140° Double Margins Technical Data For High Performance Series with External Coolant Reinforced Shank with Single Margin Overall Length External Coolant Cutting Length D Ds Type SX Helix Angle Tip Angle 140° For General Purpose Series with External Coolant Straight Shank Overall Length External Coolant Cutting Length D Ds Type NX Helix Angle Tip Angle 130° C103