Hobson performance data
Metal Stitching Screw, Countersunk Head 304 Stainless 10-8: Performance Data
Hobson's three-page performance data for the DRiLLX metal stitching screw with countersunk head in 304 stainless, 10 gauge, 8 TPI, part T04NS4Q1008. It is a self drilling needle point screw for fixing fibre cement sheet to timber or thin light gauge steel, and for plasterboard or chipboard.
What this covers
- Applications
- Dimensions
- Pull-out values
- Drill point test
- Mechanical properties
- Installation
For Needle Point Screw.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Lengths 65mm, 75mm and 100mm, 10 gauge 8 TPI, 9mm countersunk head with 4 ribs under it to help it countersink, square #2 drive.
- AISI 304/A2 stainless, which the sheet says suits high pollution areas and corrosive conditions.
- Working pull-out load in 0.55mm G550 steel: 150N (mean 650N). Lab results with a safety factor of 2.5 for steel already included.
- Drill point test: it drilled 0.55mm G550 at 2,200rpm under a 13kg load in no more than 1.5 seconds (1.0 second average).
- Install with a cordless screwdriver at no more than 2,500rpm, with firm steady pressure, and do not over-tighten. Impact drivers are not recommended. Recommended square #2 bits: TXDIPSQS20100 and TXDIPSQS20150.
Who it helps: Builders fixing fibre cement or board in corrosive or coastal conditions.
Share this document
Email it to yourself
Loading…
Related
This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.