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Discover premium Safety Engineered hoist rings from ADB, engineered for superior strength and 360° swivel with 180° pivot under full load. Available in working load limits from 550 to 250,000 lbs, these forged 4140 alloy steel hoist rings meet ANSI/ASME B30.26 and MIL-STD-209 standards with a 5:1 design factor and 200% proof load testing.

Featuring a unique Safety Engineered design that boosts all advantages of traditional hoist rings, these units include standard and long bar models with precise dimensions for A, B, C, D, E, F, thread sizes, and torque specifications. Ideal for heavy industrial lifting, the Safety Engineered series ensures reliable performance with options for both imperial and metric threads.

Whether you need compact 550 lb models or massive 250,000 lb capacity hoist rings, ADB's Safety Engineered line delivers unmatched safety, durability, and ease of use for rigging professionals. Explore the full catalog including stainless steel variants for corrosion-resistant applications.

Safety-Engineered-Stainless-Ste---line-drawing_r35_c2
Unit of Measure
1 2 

Item #

Material

Standard/Metric

G (Thread)

Design Factor

Load Test

Rated Load (lbs)

A (in)

B (in)

C (in)

D (in)

E (in) (+/-0.12)

F (in)

H (in)

J (in)

K (in)

L (in)

M (in)

Hex Size (in)

Torque (ft-lbs)

Safety Instructions

Notes

Vendor Part Number

Quantity
MA-29050SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/4-20 N/A 5:1 N/A 150% Proof Load Tested. N/A 275 N/A .43 N/A 1.61 N/A .71 N/A 3/8 N/A .54 N/A 2.67 N/A 1.84 N/A 1.00 N/A .75 N/A .17 N/A 1.33 N/A 3/16 N/A 3 N/A Safety Instructions N/A N/A 29050
MA-29051SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/16-18 N/A 5:1 N/A 150% Proof Load Tested. N/A 400 N/A .43 N/A 1.61 N/A .71 N/A 3/8 N/A .29 N/A 2.67 N/A 1.84 N/A 1.00 N/A .75 N/A .17 N/A 1.27 N/A 1/4 N/A 4 N/A Safety Instructions N/A N/A 29051
MA-29052SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/16-18 N/A 5:1 N/A 150% Proof Load Tested. N/A 400 N/A .43 N/A 1.61 N/A .71 N/A 3/8 N/A .54 N/A 2.67 N/A 1.84 N/A 1.00 N/A .75 N/A .17 N/A 1.27 N/A 1/4 N/A 4 N/A Safety Instructions N/A N/A 29052
MA-29053SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/8-16 N/A 5:1 N/A 150% Proof Load Tested. N/A 500 N/A .43 N/A 1.61 N/A .71 N/A 3/8 N/A .54 N/A 2.67 N/A 1.84 N/A 1.00 N/A .75 N/A .17 N/A 1.21 N/A 5/16 N/A 6 N/A Safety Instructions N/A N/A 29053
MA-29301SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .70 N/A 2.40 N/A .93 N/A 1/2 N/A 1.07 N/A 3.77 N/A 2.58 N/A 1.49 N/A 1.25 N/A .20 N/A 1.84 N/A 3/8 N/A 14 N/A Safety Instructions N/A N/A 29301
MA-29004SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A .78 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.31 N/A 3/8 N/A 14 N/A Safety Instructions N/A N/A 29004
MA-29322SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A .78 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.25 N/A 3/8 N/A 14 N/A Safety Instructions N/A Long Bar Models N/A 29322
MA-29005SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.31 N/A 3/8 N/A 14 N/A Safety Instructions N/A N/A 29005
MA-29323SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.25 N/A 3/8 N/A 14 N/A Safety Instructions N/A Long Bar Models N/A 29323
MA-29006SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.28 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.31 N/A 3/8 N/A 14 N/A Safety Instructions N/A N/A 29006
MA-29324SESS N/A 300 Series Stainless Steel N/A Standard N/A 1/2-13 N/A 5:1 N/A 150% Proof Load Tested. N/A 1,250 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.28 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.25 N/A 3/8 N/A 14 N/A Safety Instructions N/A Long Bar Models N/A 29324
MA-29001SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/8-11 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,000 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A .78 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.18 N/A 1/2 N/A 30 N/A Safety Instructions N/A N/A 29001
MA-29002SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/8-11 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,000 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.18 N/A 1/2 N/A 30 N/A Safety Instructions N/A N/A 29002
MA-29320SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/8-11 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,000 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.12 N/A 1/2 N/A 30 N/A Safety Instructions N/A Long Bar Models N/A 29320
MA-29003SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/8-11 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,000 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.28 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.18 N/A 1/2 N/A 30 N/A Safety Instructions N/A N/A 29003
MA-29321SESS N/A 300 Series Stainless Steel N/A Standard N/A 5/8-11 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,000 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.28 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.12 N/A 1/2 N/A 30 N/A Safety Instructions N/A Long Bar Models N/A 29321
MA-29007SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,500 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.06 N/A 5/8 N/A 50 N/A Safety Instructions N/A N/A 29007
MA-29325SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,500 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.03 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.00 N/A 5/8 N/A 50 N/A Safety Instructions N/A Long Bar Models N/A 29325
MA-29009SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,500 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.53 N/A 4.78 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 2.06 N/A 5/8 N/A 50 N/A Safety Instructions N/A N/A 29009
MA-29327SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 2,500 N/A .88 N/A 3.25 N/A 1.22 N/A 3/4 N/A 1.53 N/A 6.72 N/A 3.52 N/A 1.99 N/A 1.50 N/A .16 N/A 4.00 N/A 5/8 N/A 50 N/A Safety Instructions N/A Long Bar Models N/A 29327
MA-29102SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 3,500 N/A 1.40 N/A 4.80 N/A 1.71 N/A 1 N/A 1.04 N/A 6.52 N/A 5.14 N/A 3.00 N/A 2.37 N/A .24 N/A 3.06 N/A 5/8 N/A 50 N/A Safety Instructions N/A N/A 29102
MA-29329SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 3,500 N/A 1.40 N/A 4.80 N/A 1.71 N/A 1 N/A 1.04 N/A 8.11 N/A 5.14 N/A 3.00 N/A 2.37 N/A .24 N/A 4.65 N/A 5/8 N/A 50 N/A Safety Instructions N/A Long Bar Models N/A 29329
MA-29103SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 3,500 N/A 1.40 N/A 4.80 N/A 1.71 N/A 1 N/A 1.54 N/A 6.52 N/A 5.14 N/A 3.00 N/A 2.37 N/A .24 N/A 3.06 N/A 5/8 N/A 50 N/A Safety Instructions N/A N/A 29103
MA-29330SESS N/A 300 Series Stainless Steel N/A Standard N/A 3/4-10 N/A 5:1 N/A 150% Proof Load Tested. N/A 3,500 N/A 1.40 N/A 4.80 N/A 1.71 N/A 1 N/A 1.54 N/A 8.11 N/A 5.14 N/A 3.00 N/A 2.37 N/A .24 N/A 4.65 N/A 5/8 N/A 50 N/A Safety Instructions N/A Long Bar Models N/A 29330
MA-29101SESS N/A 300 Series Stainless Steel N/A Standard N/A 7/8-9 N/A 5:1 N/A 150% Proof Load Tested. N/A 4,000 N/A 1.40 N/A 4.80 N/A 1.71 N/A 1 N/A 1.04 N/A 6.52 N/A 5.14 N/A 3.00 N/A 2.37 N/A .24 N/A 2.93 N/A 3/4 N/A 80 N/A Safety Instructions N/A N/A 29101
Unit of Measure
1 2