Technical Specifications — Tapcon® Concrete Screws

There are numerous technical specifications that must be considered when using Tapcon screws. These concrete screws come in a range of lengths, ranging from 1 1/4" to 6 inches. Tapcons® can be embedded in many different depths and are available in two different anchor head styles - flat or hex. Depending on the specifications needed, you will find the right fastener for any job.

Tapcon® Ultimate Holding Values** - NORMAL WEIGHT CONCRETE

Blue Climaseal Tapcon®

		2000 PSI Concrete		4000 PSI Concrete
Anchor Diameter (inches)	Embedment Depth (inches)	Tension (lbs.)	Shear (lbs.)	Tension (lbs.)	Shear (lbs.)
	1	600	720	650	720
3/16	1-1/2	1090	860	1090	860
	1-3/4	1450	870	1460	990
	1	750	900	800	1360
1/4	1-1/2	1380	1200	1820	1380
	1-3/4	2020	1670	2380	1670
	1-1/2	1336	2108	1968	3416
3/8	2	1492	3036	2552	3420
	3	5396	3312	7852	3428
	2	3580	5644	4236	7380
1/2	3-1/2	7252	6436	8836	8140
	4-1/2	10176	7384	10488	8552
	2-3/4	5276	8656	7844	13476
5/8	3-1/2	7972	10224	11724	14060
	4-1/2	11568	12316	16892	14840
	3-1/4	6876	7140	12636	14316
3/4	4-1/2	10304	13120	18540	20612
	5-1/2	13048	17908	23268	25652

Stainless Steel Tapcon®

		2000 PSI Concrete		3000 PSI Concrete		4000 PSI Concrete
Anchor Diameter (inches)	Embedment Depth (inches)	Tension (lbs.)	Shear (lbs.)	Tension (lbs.)	Shear (lbs.)	Tension (lbs.)	Shear (lbs.)
	1	–	–	964	–	–	–
3/16	1-1/4	–	–	1080	1460	–	–
	1-3/4	–	–	1595	–	–	–
	1	–	–	1381	–	–	–
1/4	1-1/4	–	–	1616	1622	–	–
	1-3/4	–	–	2332	–	–	–
	1-1/2	1336	2108	–	–	1968	3416
3/8	2	1492	3036	–	–	2552	3420
	3-1/2	5396	3312	–	–	7852	3428
	2	3580	5644	–	–	4236	7380
1/2	3-1/2	7252	6436	–	–	8836	8140
	4-1/2	10176	7384	–	–	10488	8552
	2-3/4	5277	8656	–	–	7845	13475
5/8	3-1/2	7973	10225	–	–	11722	14059
	4-1/2	11569	12317	–	–	16891	14839
	3-1/4	6874	7138	–	–	12636	14316
3/4	4-1/2	10304	13120	–	–	18541	20612
	5-1/2	13048	17906	–	–	23266	25650

Ultimate Holding Values** – Block

Blue Climaseal Tapcon®

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

**Tension & Shear values based on 1" embedment

Stainless Steel Tapcon®

		Hollow Block		Grout Filled Block
Anchor Diameter (inches)	Embedment Depth (inches)	Tension (lbs.)	Shear (lbs.)	Tension (lbs.)	Shear (lbs.)
3/16	1-1/4	540	1096	–	–
1/4	1-1/4	754	1218	–	–
3/8	1-1/2	916	3176	1595	3900
1/2	2-1/2	–	–	5924	6680

** Values shown are average ultimate values and are offered only as a guide and are not guaranteed. A safety factor of 4:1 or 25% is generally accepted as a safe working load. Reference should be made to applicable codes for the specific working ratio.

Part Numbers

Blue Climaseal Part #	Stainless Steel Part #	Head Style	Screw Diameter (inches)	Screw Length (inches)	Drill Bit Size (inches)	Socket Size/ Bit Tip	Fixture Hole Size (inches)
TCF316114	TCFS316114	Flat Phillips	3/16	1-1/4	5/32	#2	1/4
TCF316134	TCFS316134	Flat Phillips	3/16	1-3/4	5/32	#2	1/4
TCF316214	TCFS316214	Flat Phillips	3/16	2-1/4	5/32	#2	1/4
TCF316234	TCFS316234	Flat Phillips	3/16	2-3/4	5/32	#2	1/4
TCF316314	TCFS316314	Flat Phillips	3/16	3-1/4	5/32	#2	1/4
TCF316334	TCFS316334	Flat Phillips	3/16	3-3/4	5/32	#2	1/4
TCF3164	—	Flat Phillips	3/16	4	5/32	#2	1/4
TCF14114	TCFS14114	Flat Phillips	1/4	1-1/4	3/16	#3	5/16
TCF14134	TCFS14134	Flat Phillips	1/4	1-3/4	3/16	#3	5/16
TCF14214	TCFS14214	Flat Phillips	1/4	2-1/4	3/16	#3	5/16
TCF14234	TCFS14234	Flat Phillips	1/4	2-3/4	3/16	#3	5/16
TCF14314	TCFS14314	Flat Phillips	1/4	3-1/4	3/16	#3	5/16
TCF14334	TCFS14334	Flat Phillips	1/4	3-3/4	3/16	#3	5/16
TCF144	TCFS144	Flat Phillips	1/4	4	3/16	#3	5/16
TCF145	TCFS145	Flat Phillips	1/4	5	3/16	#3	5/16
TCF146	TCFS146	Flat Phillips	1/4	6	3/16	#3	5/16
TCH316114	—	Hex Washer	3/16	1-1/4	5/32	1/4"	1/4
TCH316134	—	Hex Washer	3/16	1-3/4	5/32	1/4"	1/4
TCH316214	—	Hex Washer	3/16	2-1/4	5/32	1/4"	1/4
TCH316234	—	Hex Washer	3/16	2-3/4	5/32	1/4"	1/4
TCH316314	—	Hex Washer	3/16	3-1/4	5/32	1/4"	1/4
TCH316334	—	Hex Washer	3/16	3-3/4	5/32	1/4"	1/4
TCH3164	—	Hex Washer	3/16	4	5/32	1/4"	1/4
TCH14114	TCHS14114	Hex Washer	1/4	1-1/4	3/16	5/16"	5/16
TCH14134	TCHS14134	Hex Washer	1/4	1-3/4	3/16	5/16"	5/16
TCH14214	TCHS14214	Hex Washer	1/4	2-1/4	3/16	5/16"	5/16
TCH14234	TCHS14234	Hex Washer	1/4	2-3/4	3/16	5/16"	5/16
TCH14314	TCHS14314	Hex Washer	1/4	3-1/4	3/16	5/16"	5/16
TCH14334	TCHS14334	Hex Washer	1/4	3-3/4	3/16	5/16"	5/16
TCH144	TCHS145	Hex Washer	1/4	4	3/16	5/16"	5/16
TCH145	TCHS146	Hex Washer	1/4	5	3/16	5/16"	5/16
TCH146	TCHS146	Hex Washer	1/4	6	3/16	5/16"	5/16
LDT38134	LDTS38134	Hex Washer	3/8	1-3/4	5/16	9/16"	1/2
LDT38212	LDTS38212	Hex Washer	3/8	2-1/2	5/16	9/16"	1/2
LDT383	LDTS383	Hex Washer	3/8	3	5/16	9/16"	1/2
LDT384	LDTS384	Hex Washer	3/8	4	5/16	9/16"	1/2
LDT385	LDTS385	Hex Washer	3/8	5	5/16	9/16"	1/2
LDT123	LDTS123	Hex Washer	1/2	3	7/16	3/4"	5/8
LDT124	LDTS124	Hex Washer	1/2	4	7/16	3/4"	5/8
LDT125	LDTS125	Hex Washer	1/2	5	7/16	3/4"	5/8
LDT126	—	Hex Washer	1/2	6	7/16	3/4"	5/8
LDT583	—	Hex Washer	5/8	3	1/2	15/16"	3/4
LDT584	—	Hex Washer	5/8	4	1/2	15/16"	3/4
LDT585	—	Hex Washer	5/8	5	1/2	15/16"	3/4
LDT586	—	Hex Washer	5/8	6	1/2	15/16"	3/4
LDT34412	—	Hex Washer	3/4	4-1/2	5/8	15/16"	7/8
LDT34512	—	Hex Washer	3/4	5-1/2	5/8	15/16"	7/8
LDT34614	—	Hex Washer	3/4	6-1/4	5/8	15/16"	7/8

---

 

© Concrete Fasteners, Inc. All Rights Reserved.
521 S. Court St. Medina, Ohio 44256
Phone: 800-966-9617 | Fax: 888-498-4985