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Note: All of our open end heads and ratcheting open end heads have the U-bottom design. We changed from the V-bottom to to the U-bottom to increase durability. From an engineering standpoint a rounded corner distributes the stress vectors more evenly than designs that have intersecting planes.
If for some reason you want the V-bottom design, we can make that for you as a special. Different pricing, minimum order quantities, and increased lead times apply.
Part Number | Model Designation | A (in.) | B (in.) | C (in.) | D (in.) | E (in.) | Torque Rating (in lb) |
819000 | OE -1/4 | 1.7 | 0.8 | 0.3 | 0.8 | 0.7 | 100 |
819001 | OE - 5/16 | 1.7 | 0.8 | 0.3 | 0.8 | 0.7 | 150 |
819002 | OE - 3/8 | 1.8 | 1.1 | 0.3 | 0.8 | 0.7 | 200 |
819003 | OE - 7/16 | 1.8 | 1.1 | 0.3 | 0.8 | 0.7 | 300 |
819004 | OE - 1/2 | 1.9 | 1.3 | 0.4 | 0.8 | 0.7 | 350 |
819005 | OE - 9/16 | 1.9 | 1.3 | 0.4 | 0.8 | 0.7 | 400 |
819006 | OE - 5/8 | 1.9 | 1.6 | 0.4 | 0.9 | 0.7 | 600 |
819007 | OE - 11/16 | 1.9 | 1.6 | 0.4 | 0.9 | 0.7 | 800 |
819008 | OE - 3/4 | 2.0 | 1.8 | 0.5 | 1.0 | 0.8 | 1000 |
819009 | OE - 13/16 | 2.0 | 1.8 | 0.5 | 1.0 | 0.8 | 1250 |
819010 | OE - 7/8 | 2.0 | 1.8 | 0.5 | 1.3 | 0.8 | 1500 |
819011 | OE - 15/16 | 2.0 | 1.8 | 0.5 | 1.3 | 0.8 | 1750 |
819012 | OE - 1 | 2.2 | 2.1 | 0.5 | 1.3 | 0.8 | 2000 |
819013 | OE - 1 1/16 | 2.2 | 2.1 | 0.5 | 1.3 | 0.8 | 2250 |
819014 | OE - 1 1/8 | 2.3 | 2.3 | 0.5 | 1.3 | 0.8 | 2500 |
819015 | OE - 1 3/16 | 2.3 | 2.3 | 0.5 | 1.3 | 0.8 | 2750 |
819016 | OE - 1 1/4 | 2.3 | 2.8 | 0.5 | 1.3 | 0.8 | 3000 |
Like all Sturtevant Richmont, interchangeable heads our open-end series consists of one piece, cast heads that are made from a proprietary metal formula. The rounded corners distribute the stress vectors so they don't all intersect at one point and create breakage. The same applies to the U-bottom design. The rounded bottom distributes the stress vectors and that improves durability.
Our heads all come with a torque rating clearly shown on the head.
Remember: ALL of our heads fit on ALL of our wrenches.
Need Assistance? Worldwide call 1+847-455-8677
Sturtevant Richmont tools are proudly made in the USA by highly capable hands.