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RENYU 5pcs Cobalt Spot Weld Drill Bit Set, 5/16-inch, Titanium Coated
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 11, 2026 12:20 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0.21/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
RENYu
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓ADVANCED COBALT & TITANIUM COATED HSS MATERIAL Our cobalt spot weld drill bit set is made of premium high‑speed steel (HSS) with a dual cobalt and titanium coating. This advanced surface treatment significantly increases hardness, reduces friction, and provides long‑lasting durability for continuous use on auto body panels. Designed to meet all your daily spot weld removal needs.
✓MULTI‑FUNCTIONAL FOR STEEL, ALUMINUM & MORE This HSS cobalt spot weld cutter kit works effectively on a wide range of materials – including automotive steel, aluminum panels, and other common metals. Perfect for collision repair, panel replacement, and general metalworking, making it an ideal choice for both professional mechanics and DIY auto body work.
✓WIDE APPLICATION FOR PROFESSIONAL AUTO REPAIR Our spot weld drill bits deliver fine workmanship with no burrs, eliminating the need for secondary spot weld cleanup. Suitable for A‑pillar solder joint removal, mechanical plate positioning drilling, general spot weld cutting, and automotive sheet metal weld removal. The sharp tip ensures precise starts without slipping.
✓EASY TO USE – FAST WELD REMOVAL WITHOUT PANEL DAMAGE Designed to remove spot welds quickly and efficiently without twisting or distorting metal plates. The cobalt spot weld drill bit set saves you significant time and effort during car repair, rust restoration, or frame work. Simply align the centering tip and drill – no complicated setup required.
✓COMPLETE 5‑PIECE 5/16" KIT WITH ETCHED SIZES Includes 5 pieces of 5/16 inch (8mm) cobalt spot weld drill bits, Each bit features permanently etched size markings for easy identification, so you can grab the right bit instantly during your repair project.
⚙️ Specifications
Material
High Speed Steel (HSS)
Cutting Diameter
0.31 inches
Finish Type
Titanium
Shank Type
Straight
Brand
RENYU
Tool Flute Type
Spiral
Surface Recommendation
Metal
Number of Flutes
2
Set Name
Cobalt Spot Weld Drill Bit Set Kit
Unit Count
5 Count
Manufacturer
RENYU
