3 Piece Titanium Hss Step Drill Bit Set Hex Shank 1/8" - 3/4" With Storage Bag

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

Product features

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.

Payment:

1. We can accept L/C,T/T,Western Union,Paypal.

2. 20%-30% payment in advance,the balance before shipment or against copy of B/L.