1/4" Hex Shank Quick Change High Speed Steel Cone Drill Bit Kit for Plastic Wood Metal Sheet Aluminum Hole Drilling 3PCS Set

• Customized: Non-Customized
• Standard: DIN, JIS, AISI, API
• Length: Jobber-length
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 3pcs set
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Well Drilling, PCB Drilling, Metal Drilling
• Flute Type: Straight/Spiral
• Leading Time: 20-35days
• Surface: Ti-Coated
• Shank: Hex Shank,Straight Shank
• Transport Package: Round Plastic Case
• Specification: 1/8-3/4"
• Trademark: OEM
• Origin: Danyang Jiangsu
• HS Code: 8207509000
• Production Capacity: 500000PCS/Month
• Package Size: 15.00cm * 13.00cm * 3.50cm
• Package Gross Weight: 0.300kg

Product Description

3Pcs Titanium Step Drill Bit Set with Storage Bag Hex Shank 1/8" - 3/4" 

 

Product features

• Widely Used:Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
• Material:HSS combined with a titanium coating. More capable and durable.
• Easy Drilling:Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
• SET INCLUDES:Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
• Package Included: 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.

Product Specification:
 

MEASUREMENT 4-12 5 Steps (Diameter 4, 6, 8, 10, 12mm) 4-20 9 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20mm) 4-32 15 Steps(Diameter 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

QUALITY MATERIAL HSS step drill bits are constructed from traditional HSS combined with a titanium nitride coating to make them even more durable.

DESIGN 118° X-type Split Point - Increases cutting speed with self-centering and prevents walking. Two-flute Design - a faster and smoother cutting, allows particles escape easily. Hex shank will not spin inside the chunk, compatible with different types of drill machines effectively.

 

User Instruction:
1) Star drilling at low speed. Do not push too much. Let the drill bit to cut by itself. The harder the material it is working with, the lower speed shall be applied.
2) Inject coolant oil while working, it will dramatically increase the drilling efficiency and extend the drill bit life time
3) Drill bits are good for wood, plastic, steel and sheet metal drilling. Stainless steel is not recommended.

Application

Delivery:

1. Delivered by Sea,Air,Express

2. 20-30Days after your deposite,as your order quantity.

 

Sample Policy:

1. We can provide samples for free if required.

2. Samples can be delivered about 7-10days.