The knob is difficult and expensive on wood handles because it requires cutting the entire rest of the handle down from a larger piece. On axes it is important because the tool is swung. On hammers and mauls it isnt because the swing is more of a lift and drop. If lack of a palm swell is an...
The big difference is how they produce the leverage. Knipex keeps a single joint but just moves the cutting edge back into it to give more leverage at that point. There's no change in leverage over the pliers, just a point farther back in the pliers that makes higher leverage available. The...
When you have a pretty large pilot (1/2-3/4 the bit size) try pressing the drill bit down without power and look at how the cutting edge contacts the wood. I'm guessing the cutting edge will be a bit above the wood and the contact point will be set a bit back because of an improperly ground...