Description
Overview
Hexagon Socket Countersunk Head Screws to DIN 7991, Alloy Grade 10.9, size 3/4" x 1-1/4" UNC.
Sold per piece. Screwman code CCUNC34114H.
Finish & Corrosion Protection
Plain / self colour. No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.
Data Sheet
Dimensions – ASME B18.3 3/4 UNC x 1 1/4 in
| Standard | ASME B18.3 |
|---|---|
| Product | Hexagon socket flat countersunk screw, inch series |
| Thread | 3/4-10 UNC |
| Length (l) | 1 1/4 in (31.8 mm) |
| Head diameter (dk, approx.) | 1 1/2 in (38.1 mm) |
| Head angle | 82° |
| Hex key (s) | 17/32 in (13.5 mm) |
| Weight (calculated) | 97.95 kg per 1 000 pieces |
Material, Grade & Strength
| Material | High tensile alloy steel, property class 10.9 |
|---|---|
| Property class | 10.9 |
| Tensile strength Rm (min) | 1040 MPa |
| Yield / 0.2% proof Rp0.2 (min) | 940 MPa |
| Proof load stress | 830 MPa |
| Hardness | 320-380 HV |
| Elongation after fracture (min) | 9 % |
| Matching nut | property class 10 (ISO 898-2) |
Finish & Corrosion Protection
Plain / self colour: No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.
Nominal dimensions per ASME B18.3. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.
Specifications
No structured specifications are available yet.