Cobalt Drill Bits Kit Set for Metal Steel

• Customized: Customized
• Standard: JIS, AISI, API
• Type: Twist Drill Bit
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: GMBH002
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: Available
• Delivery Time: 25-35 Days
• Free Sample: Available
• Transport Package: on Customer′s Requiments
• Specification: all sizes are available
• Trademark: GOLDMOON&BEHAPPY
• Origin: Danyang, Jiangsu, China
• HS Code: 82075090
• Production Capacity: 200 Thousand Pieces Per Month
• Package Size: 10.00cm * 5.00cm * 2.00cm
• Package Gross Weight: 0.400kg

Product Description

Product Description

5pcs Hss M35 Cobalt Drill Bits Kit Set For Metal Steel

Chemical composition     

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)

 

Product Highlights

New HSS Cobalt  Drill Bit Set

100% Brand new and high quality

Straight Shank High Speed Steel M35 Drill Bits

Can be used for iron, steel, copper and aluminum, tool steel etc.

Made of high speed steel, wear-resistant, durable to use.

Material: High Speed Steel with 5% Cobalt

Model: 1mm , 2mm , 3mm , 4mm , 5mm

Length(approx.):

1mm: 34mm; 2mm:49mm; 3mm: 61mm; 4mm: 75mm; 5mm: 85mm.

Detailed Photos

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Why choose us

FAQ

Q: What can we provide ?

A: We are a professional manufacturer of hole saw and have our own packing centre. Through more than 10 years of effort, we have worked together with many good manufactuers of different tools as an exclusive tool club. We can provide our factory direct price for a vast range of products, including power tool accessories, hand tools, combination kits, etc.

Q:What is the shipping port?

A: We ship the goods via Shanghai port.

Q:How about the sample?

A: The samples will be sent to you via express and arrive in 3-5 days. You can use your own express account or prepay us if you do not have an account

Q:How do you control the quality?

A: We will make samples before mass production, and mass production will be arranged after samples approved. Doing 100% inspection during production, then do random inspection before packing, taking pictures after packing.

Shipping way

1. Small quantity: by international air express, within 3-7days arriving

2. Large quantity: by ocean cargo, arriving time depends on customers destination

Our service

1. 24hours online technical support (telephone and email)

2. 100% Satisfaction Guarantee

3. Engineers are available

Please contact with me when you gonna order,we will answer back ASAP.