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{"title":"Hss Step Drill Bit Set Metal Drilling Bit For Aluminum Alloy Drilling","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/16\/3d\/96c637092d5d8eb0da5b30176859-200x200-1\/hss_step_drill_bit_set_metal_drilling_bit_for_aluminum_alloy_drilling.jpg","attrs":{"Brand Name":"Zhongzuan","Place of Origin":"Chongqing, China","Minimum Order Quantity":"100","Price":"USD 1.23-3.39 Unit price"}}
{"title":"Steel Step Drill Bit Set Metal Drilling Bit","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d0\/44\/7da46ab74de16b4416d061d06c07-200x200-1\/steel_step_drill_bit_set_metal_drilling_bit.jpg","attrs":{"Brand Name":"Zhongzuan","Place of Origin":"Chongqing, China","Minimum Order Quantity":"50","Price":"USD 12.54-15.04Unit price"}}
{"title":"Thick Stainless Steel Step Drill Bit Metal Drilling Bit","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d2\/18\/6a30055ce4ce8e93683b2a07fd23-200x200-1\/thick_stainless_steel_step_drill_bit_metal_drilling_bit.jpg","attrs":{"Brand Name":"Zhongzuan","Place of Origin":"Chongqing, China","Minimum Order Quantity":"50","Price":"USD 12.54-15.04 Unit price"}}
{"title":"Step Drill Bit Metal Drilling Bit For Stainless Steel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/92\/75\/de323138c880c655141e187bae07-200x200-1\/step_drill_bit_metal_drilling_bit_for_stainless_steel.jpg","attrs":{"Brand Name":"ZhongZuan","Model Number":"T-13","Certification":"CE;ISO9001;2015;","Place of Origin":"Chongqing,China"}}
{"title":"Tungsten Carbide Twist Triangle Drill Metal Drilling Bit","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4e\/81\/a7a274ca8604fdcb75bf321e50b6-200x200-1\/tungsten_carbide_twist_triangle_drill_metal_drilling_bit.jpg","attrs":{"Brand Name":"ZhongZuan","Model Number":"T-005","Certification":"CE;ISO9001;2015;","Place of Origin":"Chongqing,China"}}
{"title":"Tungsten Carbide Drill Bit Metal Drilling Bit For Drilling Concrete","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/af\/33\/f6b9c12128e3e67735701ee55408-200x200-1\/tungsten_carbide_drill_bit_metal_drilling_bit_for_drilling_concrete.jpg","attrs":{"Brand Name":"ZhongZuan","Model Number":"T-006","Certification":"CE;ISO9001;2015;","Place of Origin":"Chongqing,China"}}
Straight Shank Twist Drill Bit Set Metal Drilling Bit
The high speed steel metal drill bits are suitable for metal hard alloys such as stainless steel, steel,high carbon steel,quenched steel,cast iron, and softer copper and copper alloys such as wood and aluminum alloy.Not applicable to glass or ceramic materials.Not applicable to heat-treated steel and pay attention to control speed, pressure and heat when drilling. Put it in drill bits organizer after use to prevent the drill bit from getting damp and rusty
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:
Din 338 straight shank HSS twist drill bit
Material:
M35/M2(6542)/4341/4241
Craftwork:
Full grinding, rolling, milling
Angle:
135°,118°
Size:
0.8-25.5mm
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
Application
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...
