SIMMONDS MARSHALL LIMITED

Fort, Mumbai, Maharashtra

They are another form of Lock Nuts used where there is vibration in application and possibility of loosening exists. They are locked by the use of a cotter pin in a pre-determined hole in the mating bolt.

Specification : DIN 935 / 937

Thread Form : Metric

Size Range : M12 To M48

Finishes Available : Bright Zinc, Zinc Blue, Zinc Yellow, Zinc Black, Zinc Green. Hexavalent or Trivalent chrome.

SLOTTED

Specification:

Thread Form : British / Unified / Metric

Size Range : to 2

Finishes Available : Bright Zinc, Zinc Blue, Zinc Yellow, Zinc Black. Hexavalent or Trivalent chrome.

FLANGE NUTS PLAIN & SERRATED

The necessity of using a washer is eliminated as the bearing surface of the face of the nut is larger thereby effecting a stronger grip. Serrated Nuts are used to reduce the loosening effect as whilst tightening these nuts force a grip on the mating component.

PRODUCT RANGE :

Specification :DIN 6923 / CUSTOMER STANDARDS

Thread form : Metric British / Unified sizes

Size Range : M6 to M16

Finishes Available : Bright Zinc, Zinc Blue, Zinc Yellow, Zinc Black. Hexavalent or Trivalent chrome.

Weld nuts are projection welded directly on the sheet metal parts to be assembled. These nuts permit Blind Assembly and other components. Thus it can be applied in High Speed production methods on Automatic Welding Machines.

PRODUCT RANGE :

SQUARE

Specification : Metric JIS

Size Range : M 5 to M 10

Finishes Available :

HEXAGON

Specification : DIN 929

Thread : Metric / Unified

Size Range : M 5 to M 10