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PaigntonProductDesigners
By the end of this lesson we will:-
1. Understand the need for a Pilot Hole,
Clearance Hole and Countersink.
2. Have Decided whether we will use a
Brass Rodto secure our Structure
or a Countersunk Screw.
More of us will have Cut out our Animal Shape
Some of us may have both parts ready for Finishing
The THEME of your Lesson is
"PILOT CLEARANCE AND COUNTERSINK HOLES "
countersunk hole
screw joint
Countersink and pilot hole
countersunk hole
1/8
LESSON KEYWORDS
PILOT HOLE
CLEARANCE HOLE
COUNTERSINK
4mm BRASS ROD
FINISHING
PILLAR DRILL
TWIST DRILL
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