D4.0mm Tungsten Steel Drill Bits
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D4.0mm Tungsten Steel Drill Bits

As the professional manufacture, we would like to provide you high quality D4.0mm Tungsten Steel Drill Bits. And we will offer you the best after-sale service and timely delivery.We will always adhere to the principle of "quality first, client first," and we cordially invite customers to visit us for consultation.

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Product Description


You are welcomed to come to our factory to buy the latest selling, low price, and high-quality D4.0mm Tungsten Steel Drill Bits. We look forward to cooperating with you.Its products have been well accepted throughout the country and marketed worldwide to markets in Europe, the United States, Africa, and Australia.

D4.0mm Tungsten Steel Drill Bits Specification

specifications section:D0.2-D4.0
model size
diameterD1 effective lengthH Total length L Peduncular meridianD
D0.5-4H-D4-50L 0.5 4 50 4
D0.6-5H-D4-50L 0.6 5 50 4
D0.7-5H-D4-50L 0.7 5 50 4
D0.8-5H-D4-50L 0.8 5 50 4
D0.9-5H-D4-50L 0.9 5 50 4
D1.0-6H-D4-50L 1.0 6 50 4
D1.1-6H-D4-50L 1.1 6 50 4
D1.2-6H-D4-50L 1.2 6 50 4
D1.3-6H-D4-50L 1.3 6 50 4
D1.4-8H-D4-50L 1.4 8 50 4
D1.5-8H-D4-50L 1.5 8 50 4
D1.6-8H-D4-50L 1.6 8 50 4
D1.7-8H-D4-50L 1.7 8 50 4
D1.8-9H-D4-50L 1.8 9 50 4
D1.9-9H-D4-50L 1.9 9 50 4
D2.0-10H-D4-50L 2.0 10 50 4
D2.1-10H-D4-50L 2.1 10 50 4
D2.2-10H-D4-50L 2.2 10 50 4
D2.3-12H-D4-50L 2.3 12 50 4
D2.4-12H-D4-50L 2.4 12 50 4
D2.5-12H-D4-50L 2.5 12 50 4
D2.6-12H-D4-50L 2.6 12 50 4
D2.7-14H-D4-50L 2.7 14 50 4
D2.8-14H-D4-50L 2.8 14 50 4
D2.9-14H-D4-50L 2.9 14 50 4
D3.0-14H-D4-50L 3.0 14 50 4
D3.1-16H-D4-50L 3.1 16 50 4
D3.2-16H-D4-50L 3.2 16 50 4
D3.3-16H-D4-50L 3.3 16 50 4
D3.4-16H-D4-50L 3.4 16 50 4
D3.5-16H-D4-50L 3.5 16 50 4
D3.6-18H-D4-50L 3.6 18 50 4
D3.7-18H-D4-50L 3.7 18 50 4
D3.8-18H-D4-50L 3.8 18 50 4
D3.9-18H-D4-50L 3.9 18 50 4
D4.0-18H-D4-50L 4.0 18 50 4

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