These Snappy quick-change combination countersinks will drill the hole for the body of the screw, countersink for the head and counter bore for a plug. Use with a Snappy quick-change chuck for fast, keyless operation.
Features:
- Large 1/4″ gold socket head screw – the drill bit will not slip.
- 3/8″ or 1/2″ diameter counterbore.
- Combination countersink and/or counterbore for standard wood plugs.
- Standard hex shank fits all power bit quick change chucks.
- Alloy steel and thru hardened for long life – can be resharpened.
- Drill bits are adjustable for different length screws.
- 82° countersink angle.
- Drill bits are replaceable with standard round drill bits.
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