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200mm 8PCS HSS Twist Drill Bit Set for Metal

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Product Description

Basic Info
Model NO.
GMK0875
Certification
RoHS, CE, BS, CCC, GS, Many
Customized
Non-Customized
Delivery Time
15-35 Days
Free Sample
Available
Finish
Sand Blasted
Origin
China
Capacity
100,000PCS Per Month
Product Description
200mm 8PCS HSS Twist Drill Bit Set for Metal
Material Component (%)
HSS 4241 C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0)
HSS 4341 C (0.83~0.93); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(2.5~3.5); W(3.5~4.5); V (1.2~1.8); Co(0)
HSS 6542 (M2) C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(0)
HSS 9341 C (0.77~0.87); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(2.7~3.3); W(8.5~9.5); V(1.3~1.7); Co(0)
HSS M35 (Co5%) C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(4.6~4.9)
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Frequently Asked Questions
What can we provide?
We are a professional manufacturer of hole saws and power tool accessories. With over 10 years of experience, we provide factory-direct prices for a wide range of products, including hand tools, combination kits, and high-quality power tool components.
What is the shipping port?
We ship all goods via the Shanghai port to ensure efficient international delivery.
How can I obtain a sample?
Samples are sent via express delivery and typically arrive within 3-5 days. You can provide your own express account or prepay the shipping costs to us.
How is quality control managed?
We follow a strict quality process: sample approval before mass production, 100% inspection during manufacturing, and random inspections before final packing, accompanied by photo documentation.
What are the available shipping ways?
  • Small Quantity: International air express (3-7 days arrival).
  • Large Quantity: Ocean cargo (delivery time depends on destination).
What customer services do you offer?
  • 24-hour online technical support via telephone and email.
  • 100% Satisfaction Guarantee.
  • Professional engineers available for consultation.

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