3051 KEYHOLE BITS 1/2" Router Bits steel knock-out bar

steel knock-out bar

Packing Size (L x W x H): 50″ x 31

Soft rubber grip design for vibration absorption and comfortable operation

1800A SpecÂ

Laser-Cut Thin kerf for less resistance and greater cutting efficiency

3051 KEYHOLE BITS 1/2" Router Bits steel knock-out bar1 2"SH, 3 8"LD, 7 16"CL Product Description Originally design to make decorative keyhole slots in boxes, these bit are more commonly use to add hanging slots to the back of projects. Just make sure the screws you are using to secure your project fit the bit design. The screw head should be smaller than the large diameter stated below, and screw shanks should be smaller than the small diameter.