De Neers - 1/2 SAE, Short Pattern Hexagon Allen Key has heads with internal hexagonal recesses and drive bolts and screws with hexagonal sockets in their heads. The 1/2 SAE, Short Pattern Hexagon Allen Key is coated with black oxide to make them resistant to corrosion to enhance their durability. De Neers - 1/2 SAE, Short Pattern Hexagon Allen Key has a Sliding Box Packing/ Blister Packing. The Short Pattern Hexagon Allen Key has chamfered heads for better grip during fastening. De Neers - 1/2 SAE, Short Pattern Hexagon Allen Key gets a proper heat treatment of 48-52 HRc to increase durability.
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