3PCS Drill Bit Stopper Collars Drilling Depth Stop Rings With Hex Wrench DIY ◈
9,25 €
1 x Hex Wrench. MAIN PURPOSE: These stop rings are suitable for carbon steel bits, which are clamped to limit the drilling depth, convenient and practical. Use: Applicable to carbon steel drill bits, which can be safely locked at any position along the drill bit.
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