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Ruwag HSS Countersink Drill

HSS Countersink Drill

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Description

The 90° High Speed Steel drill bits are used for countersinking drilled holes. Countersinks are suitable for drilling applications in wood and metal.

Metal drill bit selection chart

Matching the correct drill bit to the intended application will maximise the life of the bit.

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  Plastics Aluminium Copper Brass Bronze Plain Carbon Steel Cast Iron Stainless Steel
Multi-purpose ✔ ✔ ✔ ✔ ✔      
Standard metal ✔ ✔ ✔ ✔ ✔ ✔    
Industrial Metal   ✔ ✔ ✔ ✔ ✔ ✔  
Titanium     ✔ ✔ ✔ ✔ ✔  
Turbo Metal   ✔ ✔ ✔ ✔ ✔ ✔ ✔
Cobalt   ✔ ✔ ✔ ✔ ✔ ✔ ✔

Recommended drilling speeds in Metal

Use the correct drill speed to ensure the ideal drill bit performance in the material being drilled.

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Drill Size
  1mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm
Stainless Steel 3182 1591 1061 795 636 530 455 398 354 318 289 265 245
Cast Iron 4773 2386 1591 1193 955 795 682 597 530 477 434 398 367
Plain Carbon Steel 6364 3182 2121 1591 1273 1061 909 795 707 636 579 530 490
Bronze 7955 3977 2652 1989 1591 1326 1136 994 884 795 723 663 612
Brass 9545 4773 3182 2386 1909 1591 1364 1193 1061 955 868 795 734
Copper 11136 5568 3712 2784 2227 1856 1591 1392 1237 1114 1012 928 857
Aluminium 12727 6364 4242 3182 2545 2121 1818 1591 1414 1273 1157 1061 979

 

Metal Drill Bit Speed vs. Size of Drill Chart

Metal Drill Bit Speed vs Size of Drill Chart

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