O.P.G Special produsts

No Merchandise Name Feature & Advantage Remarks
1
Belvills Nut size 1/4〜5/16
In order to avoid sink into the wood surface,we developed the Belvills Nut which is perfectly seal on work surface by flat washer.

Material Nut AISI 1010
      Washer AISI 1055
Heat treatment (Washer only)
       HRC 40-48
Plating  raw material
Wooden furniture(USA)
2
SOLN size M4〜M12
Both serration of nut and washer bite each other to produce high loosening prevention

Material Nut AISI 1010
      Washer AISI 1055
Heat treatment
      HRC 40-45
Plating  Electric zinc plated chrome plated
Hydrogen embrittlement
      200℃ Over 5 hours
Switch Board
3
OLN with conical washer M3〜M10
Hexagonal Nut assemble conical washer makes anti loosening.

Material Nut AISI 1010
      Washer AISI 1055
Heat treatment
      HRC 40-45
Plating  Electric zinc plated chrome plated
Hydrogen embrittlement
      200℃ over 5 hours      
Electronics maker
4
SOLN size M8
No2 Both serration of nut and teeth washer bit each others to produce high loosening prevention machanics and self locking nut to set TV tube.

Material Nut AISI 1010
      Washer AISI 1055
Heat treatment
      Hardness Nut Hv330-360
      Washer HRC 40-45
Plating  Electric zinc plated chrome plated
Hydrogen embrittlement
      200℃ over 5 hours
TV Braun Tube
5
BD washer with corn cover
size M6
Cap Nut assembled with BD washer adhesive rubber is made Neoprene. Not only elastic but also high resistance.

Material Washer ASTMA109-72
      Corn cover ASTMA109-72
      Black rubber Neoprene
Heat treatment
      Electric zinc plated green chrome plated
Rubbish collect vehicles' panel Fastener
6
Flange nut with cap
size M4
High crown type cap nut welded

Material Nut AISI
      Cover ASTMA109-72
Plating  Electric zinc plated=black plated
Diesel engine slot
7
SOLN size M5
Both serration of nut and washer bite each other to prodoce high loosening prevention

Material Nut AISI1010
      Washer AISI1055
Heat treatment (Washer only)
      Hardness HRC 40-45
Plating  Electric zinc plated chrome plated
Hydrogen embrittlement
      200℃ 5 HR over
TV braun tube
8
Screw assembled w/washer
size #8
High tempered screw with 5 teeth flat washer makes anti loosening

Material Screw AISI1015
      Washer AITMA 109-72
Heat treatment
      Screw only
Plating  Dark chrome plated
Machine parts
(USA)
9
BD washer w/hexagonal nut
size M6
Matal and vulcanize rubber bonded under heat pressure to form an integrel unit having excellent sealing function

Material Nut AISI
      Washer ASTMA 109-72
      Rubber (neoprene)
Plating  Electric zinc plated uni chromed
Bumper fastener
10
BD washer w/hexagonal screw
size M6
Excellent sealing function with screw

Material Screw AISI 1010
      Washer ASTMA 109-72
      Rubber (neoprene)
Plating  Electric zinc plated=chrome plated
RV dashboard Fastener