Tapcon® Concrete Screws Technical Information

Purchase Tapcon®
Concrete Screws

Tension and Shear in Normal-Weight Concrete (lbs.)

    Concrete Strength
Anchor
Diameter		 Embedment
Depth		 Tension
2000psi		 Shear
2000psi		 Tension
4000psi		 Shear
4000psi		 Tension
5000psi		 Shear
5000psi
  1" 600 720 650 720 800 860
3/16" 1-1/2" 1090 860 1090 860 1220 860
  1-3/4" 1450 870 1460 990 1730 990
  1" 750 900 800 1360 950 1440
1/4" 1-1/2" 1380 1200 1820 1380 2170 1670
  1-3/4" 2020 1670 2380 1670 2770 1670
Length of Anchor (inches) Stamp on Head of Anchor
From Up to But Not Including  
1 1-1/2 â–ˇ
1-1/2 2 A
2 2-1/2 B
2-1/2 3 C
3 3-1/2 D
3-1/2 4 E
4 4-1/2 F
5 5-1/2 H
6 6-1/2 J

Tension and Shear in CMU(1" Embedment)

  Tension (lbs.) Shear (lbs.)
Anchor
Diameter		 Light
Weight		 Medium
Weight		 Light
Weight		 Medium
Weight
3/16" 220 340 400 730
1/4" 250 500 620 1000

The figures above indicate average ultimate tension and shear failure values. A safety factor of 4:1 or 25% of ultimate value is generally accepted as a safe working load. Reference should always be made to applicable codes. All values are based on close tolerance holes drilled with Buildex Tapcon® carbide drill bits. Performance of the Tapcon® anchor may vary in extremely hard concrete aggregates. Holding values will depend on the quality of the base material. These figures are offered only as a guide and are not guaranteed in any way by Illinois Tool Works, Inc.

Product Specifications

Diameter 3/16" and 1/4"
Head Style Hex Washer Head and Flat Counter Sunk Phillips
Point Nail
Finish Blue Climaseal®

Corrosion Resistance

Kesternich Results (DIN 50018, 2.OL)
30 cycles — 10% or less red rust
Salt Spray Resutls (ASTM B117)
720 hours — 10% or less red rust

Approvals and Listings

ttp://www.floridabuilding.org/pr/pr_app_dtl.aspx">Florida Building Code FL7556