3PCS Titanium HSS Step Drill Bit Set Hex Shank with Storage Bag

• 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 step drill bits 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
• Transport Package: Round Plastic Case
• Specification: 1/8-3/4"
• Trademark: OEM
• Origin: Danyang Jiangsu
• HS Code: 8207509000
• Production Capacity: 500000PCS/Month
• Package Size: 40.00cm * 25.00cm * 18.00cm
• Package Gross Weight: 15.000kg

Product Description

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

 

Product features

• 1) 3 standard SAE step drill bits can drill 28 different size of holes on different thickness of materials. One 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit(detailed hole size and drill depth of each drill bit please check in Product description below)
• 2) Made of high quality high speed steel that is hard and sharp enough to drill through wood, plastic, steel and sheet metal
• 3) Titanium coated surface can reduce friction and overheat when drilling through material for longer life time
• 4) Two-flute design provides faster, smoother and accurate cutting
• 5) 1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill

Product Specification:
1. Package quantity: 3 Pcs
2.. No.1 -- Six step bit:3/16", 1/4", 5/16", 3/8", 7/16", 1/2" drilling diameter, up to 3/8" depth of each step
3.. No.2 -- Nine step bit: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" drilling diameter, up to 3/16" depth of each step
4. No.3 -- Thirteen step bit: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"drilling diameter, up to 1/8" depth of each step
5. Material:High Speed Steel
6. Shank :1/4" Hexagonal (6.35 mm)
7. Surface treatment: titanium coated
8. Tools: Power drill, driver and press drill
9. Package: 3 drill bits are packed in a blue durable storage bag that is easy to store and carry

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.

 

 

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.