1 (4) Torque Strength Torque Wrench (0~150 kgf) (150~750 kgf) 購買 (150 ~300 kgf) ASME B18.6.3 / FIP1000 / SAE J78, J81, J1237, J933 / ISO 898-7, ISO 2702 / DIN 7500-1 / IFI-113 2. TORSIONAL STRENGTH TEST 扭力強度試驗 FIP 1000 Applicable To: All Tapping Screws. 適用範圍:所有種類的自攻螺絲 Test Purpose: To detect parts having low strength which might twist off during driving or seating. 測試目的:為檢查零件是 否因 為扭力不足而在組裝或