Usually drill jig is not clamped to the drilling machine table. Which among the following is the reason for this ?

It is rigid enough for this operation

It is easy for operation

Number of holes of various sizes are normally being drilled in different settings

It is a more time consuming device

Pin type locator

Wedge type locator

Vee locator

Adjustable stop locator

For easy drilling

For determining the size of the hole to be drilled

For locating accurately and guiding the drill for precise drilling operation

For getting good finished surface in the drilled holes

Mild steel

Cast iron

Cast steel

Tool steel

Protect the jig from damage

Ensure prolonged life without wear and tear so as to guide the tool accurately

Guide the tool so that it does not go inclined

Allow the chips to come out easily