Drill Stopper Collars, 3PCS Drill Stop Bit Collar Set Drill Bit Depth Stop Collar Kit Zinc Alloy Drilling Limit Ring with Hex Shank Drill Bits
Product Description
Drill Stopper Collars, 3PCS Drill Stop Bit Collar Set Drill Bit Depth Stop Collar Kit Zinc Alloy Drilling Limit Ring with Hex Shank Drill Bits
- Drill Stop Rings: Metal stop rings set includes 3 pieces in 6mm 8mm and 10mm sizes (0.24in 0.31in 0.39in) plus a hex wrench for quick installation on carbon steel drill bits to precisely control drilling depth in workshop or field applications
- Screw Locking Mechanism: Screw-activated clamping delivers consistent 10lb holding force to prevent over-penetration through steel plates during repetitive drilling tasks
- Zinc Alloy Construction: Rings are formed from zinc alloy with surface hardness suitable for repeated contact against drill shanks and workpiece edges without deformation
- Carbon Steel Bit Compatibility: Designed specifically for standard carbon steel twist drill bits to deliver reliable depth limitation without slippage or rotation during operation
- Open Adjustable Design: Split-ring structure allows fine-tuned positioning along the drill bit shank enabling millimeter-level depth adjustments for varied material thicknesses
Technical Specifications
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