Bolt Engineer(c)

“Tension nut”
No loosen against the Vibration.

No need for expensive and heavy hydraulic torque wrenches. You can control bolt tension using our original electric impact tool,otherwise, by your hand torque wrench. Tightening speed is more than 3 times faster than hydraulic wrench.

斜面ディスクだから緩まない。振動で緩まないナット・テンションナット
ナット・テンションナット動画

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“Bol'lock Nut”
No loosen against the Vibration.

No.1 Loosening Stopper Nut. Never loosen even after 1 million vibrations. You can un-tighten by one-touch operation.

共回り止めワッシャ
最強の緩み止めナット動画

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Fantastic Washer!
“Bolzero-Washer”

When the nut is tightened with it, the bolt-head never co-rotates. No other tools, like a spanner, needed to prevent the bolt-head’s co-rotation. Secret is on the back side with no serration against slipping.

共回り止めワッシャ
共回り止めワッシャー
共回り防止ワッシャー動画

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