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Tuopu machine machine taps tapping for 20*120*283 new standard

price:USD$23.00
discount 70% in 2018-09-18 to 2018-09-20
price: USD$ 16.10
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Zhenjiang universal (Dantu) machine tap

Universal machine taps are divided into two kinds of GB/T3464.1-94 and GB/T3464.3-94

GB/T3464.1-94 as the new standard

GB/T3464.3-94 is the old standard

Difference´╝ÜThe new standard shank is longer than the old one

Special explanation: extension now taps in upgrading, originally milling system, now slowly changed to three shovel, so now some specifications for milling, some for three shovel, but are guaranteed to be genuine