| Tapcon Anchors | Ultimate Tension and Shear Values (Lbs/kN) in Concrete | ANCHOR DIA. In. (mm) | MIN. DEPTH OF EMBEDMENT In. (mm) | f'c = 2000 PSI (13.8 MPa) | f'c = 3000 PSI (20.7 MPa) | f'c = 4000 PSI (27.6 MPa) | f'c = 5000 PSI (34.5 MPa) | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | | 3/16 (4.8) | 1 (25.4) | 600 (2.7) | 720 (3.2) | 625 (2.8) | 720 (3.2) | 650 (2.9) | 720 (3.2) | 800 (3.6) | 860 (3.8) | | 1-1/4 (31.8) | 845 (3.7) | 720 (3.2) | 858 (3.8) | 720 (3.2) | 870 (3.9) | 720 (3.2) | 1,010 (4.5) | 860 (3.8) | | 1-1/2 (38.1) | 1,090 (4.8) | 860 (3.8) | 1,090 (4.8) | 860 (3.8) | 1,090 (4.8) | 860 (3.8) | 1,220 (5.4) | 860 (3.8) | | 1-3/4 (44.5) | 1,450 (6.5) | 870 (3.9) | 1,455 (6.5) | 870 (3.9) | 1,460 (6.5) | 990 (4.4) | 1,730 (7.7) | 990 (4.4) | | 1/4 (6.4) | 1 (25.4) | 750 (3.3) | 900 (4.0) | 775 (3.4) | 900 (4.0) | 800 (3.6) | 1,360 (6.1) | 950 (4.2) | 1,440 (6.4) | | 1-1/4 (31.8) | 1,050 (4.7) | 900 (4.0) | 1,160 (5.2) | 900 (4.0) | 1,270 (5.6) | 1,360 (6.1) | 1,515 (6.7) | 1,440 (6.4) | | 1-1/2 (38.1) | 1,380 (6.1) | 1,200 (5.3) | 1,600 (7.2) | 1,200 (5.3) | 1,820 (8.1) | 1,360 (6.1) | 2,170 (9.7) | 1,670 (7.4) | | 1-3/4 (44.5) | 2,020 (9.0) | 1,670 (7.4) | 2,200 (9.8) | 1,670 (7.4) | 2,380 (10.6) | 1,670 (7.4) | 2,770 (12.3) | 1,670 (7.4) | Safe working loads for single installation under static loading should not exceed 25% of the ultimate load capacity. |
| | Tapcon Anchors | Ultimate Tension and ShearE Values (Lbs/kN) in Hollow Block | ANCHOR DIA. In. (mm) | ANCHOR EMBEDMENT In. (mm) | LIGHTWEIGHT BLOCK | MEDIUM WEIGHT BLOCK | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | TENSION Lbs. (kN) | SHEAR Lbs. (kN) | | 3/16 (4.8) | 1 (25.4) | 220 (1.0) | 400 (1.8) | 340 (1.5) | 730 (3.2) | | 1/4 (6.4) | 1 (25.4) | 250 (1.1) | 620 (2.8) | 500 (2.2) | 1,000 (4.4) | Safe working loads for single installation under static loading should not exceed 25% of the ultimate load capacity. NOTE: 3/16" Tapcon requires 5/32" bit, 1/4" Tapcon requires 3/16" bit. |
| | Tapcon Anchors | Allowable Edge and Spacing Distances | | PARAMETER | ANCHOR DIA. In. (mm) | NORMAL WEIGHT CONCRETE | CONCRETE MASONRY UNIES (CMU) | FULL Capacity (Critical Distance Inches) | Reduced Capacity (Minimal DIstance Inches) | LOAD REDUCTION FACTOR | FULL Capacity (Critical Distance Inches) | Reduced Capacity (Minimal DIstance Inches) | LOAD REDUCTION FACTOR | | Spacing Between Anchors - Tenison | 3/16 1/4 | 3 4 | 1-1/2 2 | 0.73 0.66 | 3 4 | 1-1/2 2 | 1.00 0.84 | | Spacing Between Anchors - Shear | 3/16 1/4 | 3 4 | 1-1/2 2 | 0.83 0.82 | 3 4 | 1-1/2 2 | 1.00 0.81 | | Edge Distance - Tension | 3/16 1/4 | 1-7/8 2-1/2 | 1 1-1/4 | 0.83 0.82 | 4 4 | 2 2 | 0.91 0.88 | | Edge Distance -Shear | 3/16 1/4 | 2-1/4 3 | 1-1/8 1-1/2 | 0.70 0.59 | 4 4 | 2 2 | 0.93 0.80 | | For SI: 1 inch = 25.4 mm |
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