86-028-86741513
No. 2, Tongfu Lane, West Yulong Street, Chengdu, Sichuan, China (Mainland)
5pcs Step Drill Bit Set Hss Cobalt Coating For Multiple Hole
100% brand new and high quality.
Cobalt Coated 5pc Step Bit SAE Cutting Holes metal Aluminum Power Tool Drill Set
5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set W/ Aluminum Case
Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set
High Speed Steel Cobalt Coated Step Drill Sae Standard Sizes
5-Piece Step Drill Bit Set with Case, SAE
This set replaces 50 individual drill bits.
Two-flute design gives you faster, smoother cutting.
3-sided (TRI-FLAT) shank will not slip in your drill's chuck.
Cobalt coated for smoother cooler cutting.
Material:HSS
Shank: Triangle shank,Round Shank,Hex Shank,Hex Shank With a Step,Three Side Shank
Quantity: 5PCS
Two flutes design, automatically deburrs as you drill
Tri-flat shank design for sure grip
Set complete with an aluminum storage case
Sizes:
#1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'')
#2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32",
3/8'', 13/32", 7/16'', 15/32" , 1/2'')
#3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
#4: 1/4" to 1-3/8"' 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
#5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")
Three Pieces Stepped cone drill set manufactured from high speed steel,resulting in long tool life and extra durability,Each Step Produces specificsized,parallel holes,with the maximum material thickness being determined by the length of step.The drills are capable of producing or enlarging holes in sheet metals without the need for centre punch or pilot holes,and are designed for use with power tools or pedestal drilling machines for an extensive range of indestrial applications.
Grade: HSS 4241
HSS 4341
HSS 9341
M2 , M35, M42
Product good quality holes in a wide variety of material,using either a bench drill or light pedestal drilling machine.
Three popular sizes included - 4-30mm, 4-20mm, 4-12mm.
Tin-coated or Steel color also available.
Two Type:
Straight Flute and Spiral Flute
Drill on round holes in most metal, plastic wood etc.
Self-staring tips will not skid, no need for center. punching or pilot drill
Designed to auto deburr the hole cut.
Used on electrial drills and drill presses.
Triangular shank will not spin inside the chuck.
Type Of Shank
1. Round Shank
2.Three-Side Shank
3.Hex Shank 6.35mm x 27.0mm
4.Hex Shank With a Step
Type Of Finsh
Bright Surface
Nitrided Coating
Tin Coating
Cobalt Coating
Blue Coating
Content of Material:
Metric Size Table,We can do as your requestment
We always pack in Steel Box,We Can Pack As Your Reqestment
Any requirements, please do not hesitate to contact with us, we will try our best to support your business.We always insist on the high quality leather furniture, lower price, excellent service. We wish to set up a long-term business relationship with customers from all around the world.
We Manufacture high-performance tools for metal cutting and drilling.
We develop,Produce and sell tools that deliver more performance with less effort: due to faster work progress,better results,longer lifetime.
We want to further strengthen our market position as a tool specialist by making targeted investments in product development, by using our own manufacturing with high quality standards and by working together with strong market partners.We have been in this field for 7 years,Best Service for you, Hope to cooperate with you for a long time,
Question: How many years have been in this field ?
Answer . We are main deal with Drilling, Cutting tools for more than ten yeras.
Question : Can I ask some samples to test for Text the quality?
Answer . Yes, We Can Send you some Sample for Text Quality
Question : How many days you need to prepare the samples?
Answer . We need 3-5 working days to prepare the samples
Question : Where is the loading port.
Answer . We can loading as your requestment,The Ningbo,Shanghai,guangdong and so on .
Question : when we make order, some suppliers used lower material instead of high quality material products and send to us, how can I trust you?
Answer . We hope to cooperate with your company for a long time,So Trust us, We always do from the small order, We ask the customer to test the material chemical elements after receipt goods and compare with samples.
Questions:If you do the FOB or CIF
Answer: Yes, We can do both FOB and CIF,If do the CIF,We will try to find the cheapest shipping fee for you,
Feature:
1.No matter FOB or CIF the price term is , we would try our best to find a lowest freight cost for customers' reference.
2.The third-party inspection always get real and true data from us and we will send production photos to customers if there is no inspection.
3.Do our best to help customer arrange the shipment and customs clearance.
4.Installation maintenance and repair instructions with full informations.
5.3-15years warranty depends to different products.
6.Accept Changing or Refunding if the products can not be installed rightly.
