A&A Bolt & Screw Company is a family owned, full service fastener distributor located in Baltimore, Maryland. We stock all types of fasteners ready for pickup or fast delivery. We keep an extensive inventory of in stock and special order construction anchors, cutting tools and industrial suppli...
SCREWDRIVER FOR A BOLT AND A SCREW, CAPABLE OF RAPIDLY TIGHTENING AND RELEASING A CONNECTION MEMBER BY ROTATING THE SAME WITH TWO FINGERSPURPOSE: A screwdriver for a bolt and a screw is provided to improve work speed and reduce the fatigue of a wrist by allowing an operator to conveniently ...
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a狮子来自哪里 Where does the lion come from [translate] al wondl like to le wailing for your.wininl alunopr l wondl喜欢对哀鸣为your.wininl alunopr的le [translate] aA rivet is a bolt with a head that looks like a blunt screw 铆钉是一个螺栓用看似一个直言的螺丝的头 [translate] ...
机械螺丝用六角螺帽Hex Machine Screw Nut 合金钢线材盘元Alloy Steel Wire Rod 球状化线材Annealing Wire And Rod 黑铁丝Black Wire 黄铜棒线Brass Wire And Rod 磨光棒钢Bright Steel Bar(Hex/Round/Square) 铜合金线Copper Alloy Wire 线切割线 E.D.M Cutting Wire 快削钢线材盘元Free Cutting Steel Wire ...
PURPOSE: A headed stud-cum-bolt is provided to minimize the damage of concrete member at perforation work required for insertion of an anchor, to improve quality and to reduce the term of works. CONSTITUTION: The headed stud-cum-bolt(31) is completed by installing a male screw(14) and a...
threaded shank and a bolt head at one end of the shank, wherein engagement means is located elsewhere in the shank, preferably at the free tip thereof remote from the bolt head, for a tool effective to immobilise the bolt against turning with respect to a nut engaged with the screw ...
Self-locking fastening device for fastening screw or bolt, has spring element exerting force between nut and intermediate washer along longitudinal axis such that friction moment is transferable between nut and intermediate washer The device (1) has an intermediate washer (3) and a nut (2) rotata...
A screw or bolt (1) with a recess (3) in a head (2) and a complimentary driver (20) for engaging the recess (3). The recess (3) comprises a plurality of lobes (4) flanked by driving flanges (5). Each flange (5) has an undercut portion (6). The floor (7) of the recess...