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{"title":"M35 Cobalt Double Ended Twist Drill Bits For Drill Stainless Steel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/62\/ea\/9a926d54c3bdeb2fcff85a98c0d7-200x200-1\/m35_cobalt_double_ended_twist_drill_bits_for_drill_stainless_steel.jpg","attrs":{"Brand Name":"ZhongZuan","Model Number":"H-006","Certification":"CE;ISO9001;2015;","Place of Origin":"Chongqing,China"}}
{"title":"DIN1897 4241 HSS Twist Drill Bit Straight Shank For Wood Drilling","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e1\/f4\/f7470adb400b826de8a316f4d251-200x200-1\/din1897_4241_hss_twist_drill_bit_straight_shank_for_wood_drilling.jpg","attrs":{"Brand Name":"ZHONGZUAN","Model Number":"H-001","Certification":"ISO9001;2015","Place of Origin":"Chongqing,China"}}
{"title":"DIN1897 Cobalt M35 HSS Drill Bit 25mm 135 Degree For Cast Iron","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/cb\/d4\/4ca9fbd37aaee8a025d019cd1488-200x200-1\/din1897_cobalt_m35_hss_drill_bit_25mm_135_degree_for_cast_iron.jpg","attrs":{"Brand Name":"ZHONGZUAN","Model Number":"H-001","Certification":"ISO9001;2015","Place of Origin":"Chongqing,China"}}
{"title":"135 Degree Split Point Straight Shank HSS Twist Drill Bits Fully Ground For PVC","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ba\/81\/668f2c861af921e74663f0c18930-200x200-1\/135_degree_split_point_straight_shank_hss_twist_drill_bits_fully_ground_for_pvc.jpg","attrs":{"Brand Name":"ZHONGZUAN","Model Number":"H-001","Certification":"ISO9001;2015","Place of Origin":"Chongqing,China"}}
{"title":"DIN 340 M2 HSS Drill Bits 25.5mm High Strength Aluminum Alloy","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/48\/cd\/d9df6174394653ef9db96be55b83-200x200-1\/din_340_m2_hss_drill_bits_25_5mm_high_strength_aluminum_alloy.jpg","attrs":{"Brand Name":"ZHONGZUAN","Model Number":"H-001","Certification":"ISO9001;2015","Place of Origin":"Chongqing,China"}}
{"title":"20mm M35 Cobalt Twist HSS Drill Bits Durability For Cast Iron","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ac\/99\/fcd4075b8b9d974da8e3a80a15aa-200x200-1\/20mm_m35_cobalt_twist_hss_drill_bits_durability_for_cast_iron.jpg","attrs":{"Brand Name":"ZHONGZUAN","Model Number":"H-001","Certification":"ISO9001;2015","Place of Origin":"Chongqing,China"}}
DIN338 M35 Cobalt Drill Bits Standard Twist Drill BitsFor Drilling Metal
1. HSS cobalt drill set is suitable for hardened steel and has excellent cutting performance. The blades are hardened and polished to improve sharpness,and precise cutting does not shake,suitable for cutting hard metals, such as stainless steel, cast iron, super alloys, titanium alloys, hard plastics and wood 2. M35 cobalt drill bit set can effectively drill tough and high tensile strength materials. 3. Convenient for storage and organization: Packed in a PVC box or metal case.
Company profile
ZhongZuan(Chongqing)Precision Tool Manufacturing Co.,Ltd was founded in 1995 and has been specialized in researching and developing and producing the high-quality hole saw bits and drill bits of electric tools for 26 years. Factory is located in Chongqing, China and has an area of 11700 square meters with registered capital over RMB 5millions and over 120 employees. Our core products are diamond hole saw bits, HSS twist drill bits and alloy hole saw and drill bits, so far we have been cooperated with customers from over 10 countries in the world.
We have completely established a set of effective quality management system and strictly implemented the quality standards required by customers in the production process like from the selection/ inspection of raw materials to process control and the final inspection of finished products to improve the products’ quality which help reduce the rate of unqualified.Meanwhile, company regularly carries out the internal audit and management review of the quality system to correct the problems in the operation in time so that our products will have more market competitiveness in the industry.
Product Description
Product name:
Din 338 straight shank HSS twist drill bit
Material:
M35
Craftwork:
Full grinding, rolling, milling
Angle:
135°
Size:
0.8-20mm
Specification:
Metric,inch,digital size.
Coating:
no coating,black oxidation,cupric oxide,Tin nitride
1. Full grinding A3K7 craftwork and The raw material is industrial grade high speed steel with high hardness of 99 refining grade,
2.Standard: DIN338,KL67,3L17.Smooth surface finish with no black carbon layer makes it remove chips easily and more efficient
3.For Drilling processing, precision within 0.02mm
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1995
Total Annual:
5000000-10000000
Employee Number:
50~150
Ecer Certification：
Active Member
Zhongzuan(Chongqing)Precision Tool Manufacturing Co.,Ltd was found in 1995 and specialized in researching and producing high-quality hole saw bits and drill bits over 26 years,always aiming to be the leader and produce the best products. “ZhongZuan” was specially registered brand for ove... Zhongzuan(Chongqing)Precision Tool Manufacturing Co.,Ltd was found in 1995 and specialized in researching and producing high-quality hole saw bits and drill bits over 26 years,always aiming to be the leader and produce the best products. “ZhongZuan” was specially registered brand for ove...
