17pcs /Set Self Centering Hinge Drill Bits Set Wood Drilling

Features:

• Suitable for most general purpose electric drills
• Efficient and accurate positioning
• New upgrade 135° inclined blade drill bit
• Double-sided hole discharge sawdust design
• Come with 8 replacement bits: when the drill bit is damaged, just need replace it that can continue to use
• Satisfy all demands: Hinge drills come in 8 different sizes: 5/64', 7/64'', 2 of 9/64'', 11/64'', 13/64'', 5mm and 1/4".
• With 1 hex key and 8 replacement drill bits

Tips:

• Use low speed when drilling (usually keep in 2000r/min - 3000r/min). Too fast speed will off center, break the bit or jammed
• When drilling the hole, please adjust according to the hardness of the wood. If the wood is soft, you can choose the smaller center drill bit.
• If the wood is hard, you can choose the corresponding or bigger one
• If you can't get the center drill bit out after drilling, use the hex key to separate the drill bit

Package Included
8 * Werkzeug Center Drill Bits (5/64', 7/64'', 9/64''*2, 11/64'', 13/64'', 5mm and 1/4")
8 * Replacement Drill Bits
1 * Hex Key

Package Included: 

1pc Tenon Hole Drill Bit