Stainless Steel 4mm long arm hex key Manufacturer in India
Ramesh Steel Corporation, was incepted in 1983 by Mr. Ramesh D Jain, a renowned name in Steel Industry, Ramesh Steel corporation is known as a specialist of manufacturing steel Fasteners ,Duplex Steel Fasteners, Stainless Steel Fasteners, Long Arm Hex Key, Bolts ,Nuts ,Screws & Washer since more than 3 decades ,Mr. Ramesh D. Jain is having more than 35 years of experience in manufacturing of customized Fasteners depends upon the requirements of our clients based in Saudi Arabia, Kuwait, Turkey, United Arab Emirates, Oman, Egypt, Indonesia, Malaysia, Singapore, Thailand, Sri Lanka, Russia, West Africa & Latin America

Ramesh Steel Corporation we stand behind our products, a team of our experienced engineers, we dedicate for complex & strict defined requirements, we have manufactured fasteners based on complex drawings where many companies have refused to manufacture the same to our customers because of their complexity & requirements of special grades, Ramesh Steel Corporation is Centrally located in Mumbai, India, Ramesh Steel Corporation has played a vital role in the growth of Duplex Steel Fasteners, Stainless Steel Fasteners, Long Arm Hex Key, Bolts & Nuts Screws & Washer, we are manufacturing Fasteners in different metals & grades like Nickel 200/201, Monel 400/K500, Inconel 600, Inconel 625, Inconel 800, Inconel 825, Hastelloy C22/ C276, Alloy 20, Titanium, Duplex & Super Duplex in form of Long Arm Hex Key bolts, Nuts, Screws, Washers Etc.
Hex keys are manufactured from heat-treated alloy steel and have a Black Oxide finish.
Manufactured to exact dimensional tolerances for precise fit.
Available in both Short and Long Arm pattern.
Long Arm Hex Key
1/4 Long Arm Hex Key
1" Long Arm Hex Key
7/8 Long Arm Hex Key
3/4 Long Arm Hex Key
5/8 Long Arm Hex Key
9/16 Long Arm Hex Key
1/2 Long Arm Hex Key
7/16 Long Arm Hex Key
1/16 Long Arm Hex Key
5/16 Long Arm Hex Key
1/16 Short Arm Hex Key
7/32 Long Arm Hex Key
3/16 Long Arm Hex Key
5/32 Long Arm Hex Key
9/64 Long Arm Hex Key
1/8 Long Arm Hex Key
7/64 Long Arm Hex Key
3/32 Long Arm Hex Key
5/64 Long Arm Hex Key
3/8 Long Arm Hex Key
Short Arm Hex Key
7/32 Short Arm Hex Key
.050 Short Arm Hex Key
1" Short Arm Hex Key
7/8 Short Arm Hex Key
3/4 Short Arm Hex Key
5/8 Short Arm Hex Key
9/16 Short Arm Hex Key
1/2 Short Arm Hex Key
7/16 Short Arm Hex Key
.028 Short Arm Hex Key
1/4 Short Arm Hex Key
.035 Short Arm Hex Key
3/16 Short Arm Hex Key
5/32 Short Arm Hex Key
9/64 Short Arm Hex Key
1/8 Short Arm Hex Key
7/64 Short Arm Hex Key
3/32 Short Arm Hex Key
5/64 Short Arm Hex Key
3/8 Short Arm Hex Key
5/16 Short Arm Hex Key
Long Arm Hex Key Dimensions

Hex Keys - Long and Short Arm | ||||||||||||
Nominal Key or Bit and Socket Size | Hex Width Across the Flats | Hex Width Across the Corners | Length of Short Arm | Length of Long Arm | Radius of Bend | |||||||
Max. | Min. | Max. | Min. | Max. | Min. | Short Series | Long Series | |||||
Max. | Min. | Max. | Min. | Min. | ||||||||
.... | 0.028 | 0.0280 | 0.0275 | 0.0314 | 0.0300 | 0.312 | 0.125 | 1.312 | 1.125 | 2.688 | 2.500 | 0.062 |
.... | 0.035 | 0.0350 | 0.0345 | 0.0393 | 0.0378 | 0.438 | 0.250 | 1.312 | 1.125 | 2.766 | 2.578 | 0.062 |
.... | 0.050 | 0.0500 | 0.0490 | 0.0560 | 0.0540 | 0.625 | 0.438 | 1.750 | 1.562 | 2.938 | 2.750 | 0.062 |
1/16 | 0.062 | 0.0625 | 0.0615 | 0.0701 | 0.0680 | 0.656 | 0.469 | 1.844 | 1.656 | 3.094 | 2.906 | 0.062 |
5/64 | 0.078 | 0.0781 | 0.0771 | 0.0880 | 0.0859 | 0.703 | 0.516 | 1.969 | 1.781 | 3.281 | 3.094 | 0.078 |
3/32 | 0.094 | 0.0937 | 0.0927 | 0.1058 | 0.1035 | 0.750 | 0.562 | 2.094 | 1.906 | 3.469 | 3.281 | 0.094 |
7/64 | 0.109 | 0.1094 | 0.1079 | 0.1238 | 0.1210 | 0.797 | 0.609 | 2.219 | 2.031 | 3.656 | 3.469 | 0.109 |
1/8 | 0.125 | 0.1250 | 0.1235 | 0.1418 | 0.1390 | 0.844 | 0.656 | 2.344 | 2.156 | 3.844 | 3.656 | 0.125 |
9/64 | 0.141 | 0.1406 | 0.1391 | 0.1593 | 0.1566 | 0.891 | 0.703 | 2.469 | 2.281 | 4.031 | 3.844 | 0.141 |
5/32 | 0.156 | 0.1562 | 0.1547 | 0.1774 | 0.1745 | 0.938 | 0.750 | 2.594 | 2.406 | 4.219 | 4.031 | 0.156 |
3/16 | 0.188 | 0.1875 | 0.1860 | 0.2135 | 0.2105 | 1.031 | 0.844 | 2.844 | 2.656 | 4.594 | 4.406 | 0.188 |
7/32 | 0.219 | 0.2187 | 0.2172 | 0.2490 | 0.2460 | 1.125 | 0.938 | 3.094 | 2.906 | 4.969 | 4.781 | 0.219 |
1/4 | 0.250 | 0.2500 | 0.2485 | 0.2845 | 0.2815 | 1.219 | 1.031 | 3.344 | 3.156 | 5.344 | 5.156 | 0.250 |
5/16 | 0.312 | 0.3125 | 0.3110 | 0.3570 | 0.3531 | 1.344 | 1.156 | 3.844 | 3.656 | 6.094 | 5.906 | 0.312 |
3/8 | 0.375 | 0.3750 | 0.3735 | 0.4285 | 0.4238 | 1.469 | 1.281 | 4.344 | 4.156 | 6.844 | 6.656 | 0.375 |
7/16 | 0.438 | 0.4375 | 0.4355 | 0.5005 | 0.4944 | 1.594 | 1.406 | 4.844 | 4.656 | 7.594 | 7.406 | 0.438 |
1/2 | 0.500 | 0.5000 | 0.4975 | 0.5715 | 0.5650 | 1.719 | 1.531 | 5.344 | 5.156 | 8.344 | 8.156 | 0.500 |
9/16 | 0.562 | 0.5625 | 0.5600 | 0.6420 | 0.6356 | 1.844 | 1.656 | 5.844 | 5.656 | 9.094 | 8.906 | 0.562 |
5/8 | 0.625 | 0.6250 | 0.6225 | 0.7146 | 0.7080 | 1.969 | 1.781 | 6.344 | 6.156 | 9.844 | 9.656 | 0.625 |
3/4 | 0.750 | 0.7500 | 0.7470 | 0.8580 | 0.8512 | 2.219 | 2.031 | 7.344 | 7.156 | 11.344 | 11.156 | 0.750 |
7/8 | 0.875 | 0.8750 | 0.8720 | 1.0020 | 0.9931 | 2.469 | 2.281 | 8.344 | 8.156 | 12.844 | 12.656 | 0.875 |
1 | 1.000 | 1.0000 | 0.9970 | 1.1470 | 1.1350 | 2.719 | 2.531 | 9.344 | 9.156 | 14.344 | 14.156 | 1.000 |