ACENIX® 6 Pcs HSS Combination Hex Countersink Tap Drill Bit Set. Multi-use drill tap deburr countersink hex bit kit. Hole drilling, tapping and deburring/countersinking. 1 x 6 Pcs Gold Countersink Drill Bits.
eBay
15PCS Countersink Drill Bit Set, Tapered Drill Bits Kit with 2PCS Wood Plug Cutter for Woodworking, with Storage Box
Aliexpress UK
Countersink drill is well designed in five-blade, which can reduce vibration and prolong life, achieve smoother drilling. The hexagonal shank design ensures a secure grip and prevents slipping during use.
eBay
Ezarc 3pcs Deburring External Chamfer Tool and Countersink Drill Bit Set, Remove Burr Tools Fit 1/8"- 1-3/8"(3mm-35mm)
Aliexpress UK
Specification : 4.5mm、6.3mm、8.3mm、10.4mm、12.4mm、16.5mm、20.5mm、25mm、30mm、35mm、40mm、45mm、50mm。 Material: HSS（6542/M2） Shank: round handle Color: as picture shows Quantity: 1PC / 3 flute countersink drill Uses: used in the hole of the workpiece 90 degrees chamfer or taper.
eBay
DEWALT DW2700 DW2701 DW2702 Drill Flip Drive Complete Unit #6 #8 #10 2 in 1 Countersink Wood Drill Bit 6mm 8mm 10mm Accessories
Aliexpress UK
Used for workpiece circular aperture chamfering or cone hole, the edges on the surface of the chamfering processing. 4 x Chamfers Drill Bit(A SET). -Color: Gold(As the picture shown). -Material: High-speed steel.
eBay
10Pcs Drill Bit 4mm High Speed Steel Drilling Auger Bit Countersink For Wood And Metal Metal Drill Bits For Electric Drill Tools
Aliexpress UK
Uses: used in the hole of the workpiece 90 degrees chamfer or taper. You can complete cone processing for small amount of cutting machining. Shank: round handle. 1pc x HSS drill bit. Surface Technology: white diamond.
eBay
Friction Depth Stop Tapered Carbide Tipped Precise Countersink Low 1/4 Inch Quick Change Hex Shank Countersink Drill Bits Set
Aliexpress UK
Uses High Speed Steel 6542 material, higher hardness, more durable,can be used for drilling the steel plate even the 2mm 304 steel plate. Repellat cum officiis aspernatur numquam minus quaerat?. Titanium Coated, rust-proof.
eBay
DEWALT DW2710/DW2711/DW2712 #6#8#10 Replacement Drill Bit Countersink Power Tool Accessories For DW2700/DW2701/DW2702
Aliexpress UK
High hardness, smooth chip removal, conical surface processing can be finished once, Countersinking and deburring completed once. countersinking device. 4pc Round Shaft Countersinking Chisel Drill Bit.
eBay
6pcs/Set 3 Flute HSS Hard Metals Titanium Three Edge Chamfer Chamfering End Mill Cutter Bit Drill Bit Countersink Set wholesale
Aliexpress UK
Sharp and Versatile Drill Bits These countersink bits are built to last and make clean cuts. They remove rough edges (burrs) without scratching the surface and work with many common drills and drilling rigs.
eBay
EZARC 5/8PCS Countersink Drill Bit Set Tapered Drill Bits Counter Sinker Set 1/4" Hex Shank Pilot Screw Hole Set for Woodworking
Aliexpress UK