General Knowledge · Mechanical Engineering Fasteners
कठोर या भंगुर (brittle) सामग्रियों पर सेल्फ-टैपिंग (स्वयं चूड़ी काटने) के लिए किस प्रकार के धातु के पेंच (screws) सहायक होते हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1हैमर-ड्रिवेन पेंच (Hammer-driven screw)
- 2थ्रेड-फॉर्मिंग (Thread-forming)
- 3थ्रेड-कटिंग (Thread-cutting)✓
- 4सेल्फ-पियर्सिंग (Self-piercing)
सही उत्तर देखें
थ्रेड-कटिंग (Thread-cutting)
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