- Type 17 Cutter Tip.
- No Nibs.
- 50% Thread 2″ & Up.
- Coarse Thread.
Bugle-Head Screws
Apple BugleHead Knobuster TM screws feature a Type 17 cutter tip and no nibs and are ACQ Approved. They have two-third threads on screws up to 1-1/4″ length and 50% thread on screws 1-1/2″ in length & longer. BugleHeads are available in:
#2 Square Drive in Xylan Ceramic Coated (1000 Hour Salt Spray, Silver in Color & ACQ Approved)- Type 305 Stainless Steel
Type 316 “Marine Quality” Stainless Steel.
They are available with a Star Drive* in Type 305 and Type 316 Stainless.
- *T-25 Star Drive.
Bugle head screws are primarily used for fastening drywall to wood or metal studs, but they are also used in wood, decking, plywood, OSB, plasterboard, cabinets, and general construction where a flush, non‑tearing countersunk finish is needed.
Bugle head screws have a curved, concave underside that spreads pressure gradually, preventing tearing in brittle materials like drywall. The curved head distributes pressure over a wider area and prevents tearing. The flush finish creates a shallow, fillable recess ideal for drywall finishing. Bugle Head Screws are self-drilling which often eliminates the need for pilot holes, speeding installation.
| Size | #10 X 1-1/2", #10 X 2-1/2", #10 X 2", #10 X 3-1/2", #10 X 3", #10 X 4", #14 X 4", #8 X 1-1/2", #8 X 1-1/4", #8 X 1-3/4", #8 X 1", #8 X 2-1/2", #8 X 2-1/4", #8 X 2", #8 X 3" |
|---|---|
| Drive | |
| Type | Type 305 Stainless Steel, Type 316 Stainless Steel, Xylan Ceramic Coat |
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