HEX LAG SCREWS, INCH SERIES
TENSILE STRENGTH OF STEEL [NOT PULL-OUT] 60,000 PSI MINIMUM*
*NOTE: [LAG SCREWS ARE NOT TENSILE TESTED]
BARNHILL PRODUCT CATEGORIES: 24MANUFACTURERS TEST REPORTS ARE NOT AVAILABLE FOR THIS PRODUCT.
TYPICAL MATERIAL: LOW CARBON STEEL; TYPICAL HARDNESS: HRB 70-100
MATERIAL PROPERTIES MEET SAE J429 GRADE 1
DIMENSIONS: ASME B18.2.1, FULL BODY, ROLLED THREADS
● LAG SCREWS LONGER THAN 12” WILL HAVE A MINIMUM THREAD LENGTH OF 50% OF SCREW LENGTH UP TO A
MAXIMUM OF 8”.
ZINC PLATING MEETS ASTM F1941 FeZn3A, HOT-DIP GALVANIZED MEETS ASTM A153.
INFORMATION ON LAG SCREW STRENGTHS IN WOOD CAN BE FOUND AT THE FOLLOWING WEBSITES:
www.fpl.fs.fed.us/documents/fplgtr/fplgtr113/ch07.pdf AND: www.awc.org
LENGTH TOLERANCES FOR LAG SCREWS
THREAD ROOT DIAMETER FOR LAG SCREWS
NOMINAL SIZE
NOMINAL
LENGTH
UP TO 6”
OVER 6”
UP TO 1/2”
OVER 1/2”
+/- 0.12”
+/- 0.25”
+/- 0.25”
+/- 0.25”
WRENCH SOCKET SIZES – LAG SCREWS
SCREW
SIZE
#10
SOCKET
SIZE
9/32
SCREW
SIZE
1/2
SOCKET
SIZE
3/4
1/4
5/16
7/16
1/2
5/8
3/4
15/16
1-1/8
3/8
7/16
9/16
5/8
7/8
1
1-5/16
1-1/2
BARNHILL BOLT CO, INC. ● PHONE: 505-884-1808
NOMINAL
SIZE
#10
1/4
5/16
3/8
7/16
ROOT
DIA
0.120
1.173
0.227
0.265
0.328
NOMINAL
SIZE
1/2
5/8
3/4
7/8
1
ROOT DIA
0.371
0.471
0.579
0.683
0.780
● FAX: 505-888-1559 ● EMAIL: info@barnhillbolt.com
THE INFORMATION PRESENTED IS BELIEVED TO BE ACCURATE AT THE TIME OF DOCUMENT CREATION. HOWEVER, BARNHILL BOLT CO, INC. IS NOT RESPONSIBLE FOR ANY CLAIM TRACEABLE
TO ANY ERRORS [TYPOGRAPHICAL OR OTHERWISE] AS CONTAINED HEREIN. BARNHILL BOLT CO, INC. MAKES NO WARRANTIES AS TO THE ACCURACY OF THIS INFORMATION.
.