3PCS High-Speed Concrete Steel Step Drill Bit for Wood and Tough Use Step Set

Basic Info

Model NO.	GMK3247
Customized	Customized
Delivery Time	15-35 Days
Free Sample	Available
Inch Size	Available
Finish	Sand Blasted
Transport Package	on Request
Specification	all sizes are available
Trademark	GOLDMOON
Origin	China
HS Code	82075090
Production Capacity	100, 000PCS Per Month

Packaging & Delivery

Package size per unit product 22.00cm * 22.00cm * 22.00cm Gross weight per unit product 1.000kg

Product Description

Product Description

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

Related products

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.