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{"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":"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":"DIN338 M35 Cobalt Drill Bits Standard Twist Drill BitsFor Drilling Metal","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/37\/1f\/bf8d72f9de86608f8b0c3bd9a33e-200x200-1\/din338_m35_cobalt_drill_bits_standard_twist_drill_bitsfor_drilling_metal.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"}}
DIN340 Stainless Steel Twist Drill Spiralbohrer Twist Drill Bit
1. HSS materials made for capability and durability.The cutting edge is hardened and honed for sharpness,chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean. 2. Flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process. 3. Straight shank fits into all power tools more easily and securely,specially for locking into quick change chuck. 4. Widely used for metal/wood/plastic.
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 name:
Din340 HSS twist drill bit
Material:
4341,6542(M6),M35,M42
Craftwork:
Full grinding, rolling, milling
Angle:
118°,135°
Size:
0.8-20mm
Specification:
Metric,imperial,digital size.
Coating:
no coating,black oxidation,cupric oxide,Tin nitride
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...
