Contact engineering team for verified B2 data reference.
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🔧 H AI
Longze Engineering Assistant
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👋 Hi! I'm the Longze Engineering Assistant. You can ask:
• What's the difference between DIN 933 and DIN 931 M8 bolts?
• How much does DIN 933 M8 10.9 zinc plated cost?
• Is A4-80 stainless steel equivalent to 316?
• What's the tap drill size for M6 hot-dip galvanized nut?