HSS Countersink are designed to produce accurate center holes in components which require matching between centers. countersinking is done using a countersink drill bit . You can purchase bits that are able to drill a pilot hole as well as countersink it.
Countersinking involves enlarging the rim of a pilot hole.Countersinking is especially necessary when working with hardwoods.
You should only need to countersink a hole when working with countersink screws. countersinking a pilot hole allows a countersunk screw to sit flush with the surface of material, giving your work neat finish.
ITEM NO. | SIZE | SHANK DIA. | OVERALL LENGTH |
---|---|---|---|
SSF-2451 | 3/16" | 3/16" | 1-1/2" |
SSF-2452 | 1/4" | 1/4" | 2" |
SSF-2453 | 5/16" | 1/4" | 2" |
SSF-2454 | 3/8" | 1/4" | 2" |
SSF-2455 | 1/2" | 1/4" | 2" |
SSF-2456 | 5/8" | 1/2" | 2-3/4" |
SSF-2457 | 3/4" | 1/2" | 2-3/4" |
SSF-2458 | 7/8" | 1/2" | 2-3/4" |
SSF-2459 | 1" | 1/2" | 2-3/4" |
SSF-2460 | 1-1/4" | 3/4" | 3-3/8" |
SSF-2461 | 1-1/2" | 3/4" | 3-1/2" |
SSF-2462 | 1-3/4" | 1" | 4-1/4" |
SSF-2463 | 2" | 1" | 4-3/8" |
While Placing Order Please Mention 60 degree, 82 degree or 90 degree |