Generally Conforming to IS 3082-1988
Black Allen keys are made from Chrome Vanadium Steel which withstand upto 30% higher torque as compared to Allen keys made Carbon Steel. TAPARIA Black Allen Keys are scientifically hardened to 52 to 56 HRC. Other makes Allen keys are usually offered with hardness in the range of 48 to 52 HRC. As a result of higher hardness offered in case of TAPARIA Black Allen keys along with superior steel properties the wear resistance and life is more of TAPARIA Allen keys. Allen keys are precision drawn for perfect matching of Allen keys with screw head.
| PRODUCT NO. | L1 | L2 | WT. GMS |
| K1/16 | 44 | 14 | 1 |
| K5/64 | 48 | 15 | 2 |
| K3/32 | 51 | 17 | 3 |
| K1/8 | 57 | 19 | 5 |
| K5/32 | 64 | 21 | 9 |
| K3/16 | 70 | 24 | 14 |
| K7/32 | 75 | 26 | 23 |
| K1/4 | 83 | 28 | 28 |
| K5/16 | 83 | 28 | 28 |
| K3/8 | 108 | 35 | 92 |
| AK-1/2 | 125 | 45 | 185 |
| AK-9/16 | 140 | 56 | 275 |
| AK-5/8 | 160 | 63 | 385 |
| AK-3/4 | 180 | 70 | 625 |
| AK-7/8 | 200 | 80 | 960 |
| AK-1 | 235 | 90 | 1575 |
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Chetty Street, Chennai-600 108.
Tamil Nadu, India
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Chennai Tools Agencies is a trusted choice of tools and equipment suppliers in Chennai to the Construction Industries, Engineering Industries and the general public since 1995. We are qualified, hard working and customer friendly engineers who can provide our clients with tailor-made specialized tools, understanding their special requirements and specifications.
