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MacTools
Durable Straight Shank Twist Drill Set
Durable Straight Shank Twist Drill Set
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6-piece wear-resistant straight shank twist drill set (2 3 4 5 6 8MM),
10-piece wear-resistant straight shank twist drill set (1 2 3 4 5 6 8 9 10MM);
13-piece wear-resistant straight shank twist drill set (1.5 2 2.5 3 3.2 3.5 4 4.5 4.8 5 5.5 6 6.5MM),
19-piece wear-resistant straight shank twist drill set (1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10MM);
25-piece wear-resistant straight shank twist drill set (1 1.5 2 2.5 3 3.5 4 4.5 5.5 5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13MM).
Innovative M35 high-speed steel, with the addition of cobalt and high vanadium elements, significantly improving the service life of the product.
Precision grinding after surface oxynitriding treatment, effectively improving hardness and wear resistance.
Innovative 123° vertex angle design, effectively increasing the cutting speed.
10-piece wear-resistant straight shank twist drill set (1 2 3 4 5 6 8 9 10MM);
13-piece wear-resistant straight shank twist drill set (1.5 2 2.5 3 3.2 3.5 4 4.5 4.8 5 5.5 6 6.5MM),
19-piece wear-resistant straight shank twist drill set (1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10MM);
25-piece wear-resistant straight shank twist drill set (1 1.5 2 2.5 3 3.5 4 4.5 5.5 5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13MM).
Innovative M35 high-speed steel, with the addition of cobalt and high vanadium elements, significantly improving the service life of the product.
Precision grinding after surface oxynitriding treatment, effectively improving hardness and wear resistance.
Innovative 123° vertex angle design, effectively increasing the cutting speed.
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