Strong-Point R234 - 1/4-20 x 2-3/4" Flat Head Reamer Self-Drilling Screw, Zinc 1000ct
Strong-Point Phillips Flat Head Reamer w/Wings, Zinc Plated, 1/4-20 x 2-3/4, #4 Point, Box of 1,000
Application: Attaches wood to metal.
Installation: A standard screw gun with torque limiting nose piece set at a maximum of 1750 RPM drive speed recommended. Use a #3 Phillips drive bit. Do not over torque as it can cause the head to snap or stripping of the recess. Installed fasteners must penetrate a minimum of three full threads beyond the metal structure.
Features:
- Used for attaching lumber headers to steel
- Wings ream hole in wood preventing "jacking action"
- Meets ASTM C 1513 for cold-formed steel framing connections
- Meets ASTM A 510 for carbon steel manufacturing
- Manufactured to SAE J78 for dimensional specifications
- Meets F.I.P.-1000.7 for torsional strength and drill speed
- Meets ASTM F1941 for corrosion resistance
Specifications:
| Drive Type | #3 Phillips |
| Screw Size | 1/4 |
| Diameter | 1/4 |
| Length | 2-3/4" |
| Size | 1/4-20 x 2-3/4 |
| Head Style | Flat Head Reamer |
| Fastener Style | Self-Drilling Screws |
| Point | 4 |
| Material Application | Attaches wood to metal. |
| Drill Capacity (in.) | .110 - .375 |
| Box Qty. | 1M |
| Weight (lbs.) | 30 |
| UPC | 841355096061 |
Pullout Values (Avg. Lbs.) - Steel Gauge
| 595 | 856 | 1114 | 1805 | 2337 | 4416 | 4885 |
Shear Values (Avg. Lbs.) - Steel Gauge (Lapped)