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CAREER OPPORTUNITY AT TANDEMLOC: Mechanical Engineer, preferably with experience in the design of below the hook lifting devices.   Please send resumes to Tandemloc, 824 Highway 101, Havelock, NC 28532, attention Sandy Allen or sandy@tandemloc.com.
AJ12A00 SERIES "D-RING" TIEDOWNS WITH WELDABLE STRAPS (AJ12A00)
18,390 LBS TO 110,000 LBS AVERAGE ULTIMATE BREAKING STRENGTH

"D-Ring and Strap" tie downs are an inexpensive, rugged product used on a multitude of cargo transporters, from 1,000 foot ships to your neighbor's utility trailer. D-Rings from Tandemloc are forged alloy steel with low carbon steel straps for excellent weldability.

  • We recommend wrapping the welds around the edge of the straps and avoid heating the D-Ring over 500° F (to prevent downgrading the material strength properties of the alloy steel).
  • Please note that the strength ratings expressed are "ultimate" loads or "Breaking Loads" and not "working loads." The strength is based on a single vertical pull, although most applications will result in the load direction to be at an angle or a compound angle.
  • Please consider the angle(s) of pull you will encounter with your application as it increases the strain on the tie down at any given weight load.

Our alloy steel D-Rings meet Mil Std 209K and are designed for restraining cargo on military equipment such as tactical wheeled vehicles. It is referred to as a “cargo tie-down provision” within the Mil Standard and meets the applicable requirements of Mil Std 209K. Mil Standard 209K excludes this tie-down as an internal cargo tie down for aircraft or ISO cargo containers. This item may not be used for lifting unless proof tested. The smaller size is available in stainless steel but the strength is lower yet it meets Mil Std 209K. See AJ10A00-DS07

1.  For lifting purposes, where a 3:1 safety factor to yield is required, the WLL (work load limit) is 1/3 of the max. Load without yield. When proof testing is required, the proof test is two x the WLL. For Mil STD 209K conformance, the max load without yield is used to determine the use capacity. Lifting D-ring and straps are by request only and have additional cost.
  2. Material:
D-ring - Heat treated alloy steel
Strap - Low carbon steel
  3. For lower strength stainless steel version of AJ12A00-DS18, see AJ10A00-DS07.
  4. AJ12A00-D46G "D"-Ring is Galvanized to ASTM A123.
  5. D-rings and straps are self-colored or primer-painted and bulk packed. D-rings and straps have temporary corrosion resistance; however, minimal rust spotting due to abrasion from bulk packaging should be expected.
  6. Parts that are blasted and sprayed with a rust inhibitor have a -BRI after the part number.
    PLEASE NOTE: D-Rings and Straps are ONLY sold together and these items may NOT be purchased individually.
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D-RING COMPONENT:
PLEASE NOTE: D-Rings and Straps are ONLY sold together and these items may NOT be purchased individually.
"D"-Ring
& Strap P/N
Get a Quote Max. Load
Without Yield
Straight Tension LB.
Average
Ultimate
Strength LB.
Weight LB. Dimensions (Inches)
(Refer to drawings above)
Min.
Weld
Size
"D"-Ring Strap A B C D E F G H øJ K
AJ12A00-DS11 7,800 11,700 0.6 .38 3.38 3.50 2.38 2.00 1.44 .50 1.03 2.50 2.29 .38
AJ12A00-DS18 12,300 18,390 1.3 .76 4.34 4.75 3.09 2.88 1.65 .63 1.31 3.50 3.00 .38
AJ12A00-DS26 17,700 26,500 1.5 .76 4.59 5.00 3.09 2.88 1.65 .75 1.31 3.50 3.00 .38
AJ12A00-DS46 30,800 46,000 3.4 .95 5.00 6.00 3.00 2.40 1.97 1.00 1.58 4.00 2.91 .38
D-RING COMPONENT:
PLEASE NOTE: D-Rings and Straps are ONLY sold together and these items may NOT be purchased individually.
"D"-Ring
& Strap P/N
Get a Quote Max. Load
Without Yield
Straight Tension LB.
Average
Ultimate
Strength LB.
Weight LB. Dimensions (Inches)
(Refer to drawings above)
Min. Strap
Thickness
Min.
Weld
Size
"D"-Ring Strap A B C D E±.19 F G H J K L
AJ12A00-DS79 47,400 79,000 4.2 2.3 7.95 5.00 5.13 4.75 2.31 .94 1.65 3.12 2.56 .45 .45
AJ12A00-DS110 66,000 110,000 5.7 3.8 9.21 5.55 5.62 5.13 2.50 1.00 1.94 3.55 2.81 .60 .60

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