Spherical Washers | Raptor Supplies Singapore

Spherical Washers

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Spherical washers are designed for creating a parallel plane between the bolt head and the face of the nut. Raptor Supplies offers spherical washers from Grainger. They are also known as levelling washers and are ideal for die & fixturing applications.

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Spherical Washer

StyleModelFinishFits Bolt SizesMaterialOutside Dia.RadiusRockwell HardnessThicknessThickness TolerancePrice (inc. GST)
AZ9450SETBlack Oxide1/4"Low Carbon Steel5/8"3/4"B493/16"+/-0.010" SGD 32.02
BZ9462SETBlack Oxide5/8"Low Carbon Steel1.375"1.75"B495/16"+/-0.010" SGD 23.75
CZ9536SETBlack OxideM30Steel56mm41mmB6819.2mm+/-0.2mm SGD 178.05
CZ9534SETBlack OxideM24Steel44mm32mmB6815.2mm+/-0.2mm SGD 89.20
CZ9532SETBlack OxideM20Steel36mm27mmB6811.7mm+/-0.2mm SGD 50.49
CZ9524SETBlack OxideM10Steel21mm15mmB686.5mm+/-0.2mm SGD 18.26
DZ9488SETBlack Oxide1.5"Low Carbon Steel2.875"3"B491/2"+/-0.010" SGD 54.84
EZ9478SETBlack Oxide1.125"Low Carbon Steel2.25"3"B491/2"+/-0.010" SGD 32.02
FZ9474SETBlack Oxide1"Low Carbon Steel2"2.75"B491/2"+/-0.010" SGD 45.78
GZ9470SETBlack Oxide7/8"Low Carbon Steel1.75"2.5"B493/8"+/-0.010" SGD 35.05
HZ9484SETBlack Oxide1.25"Low Carbon Steel2.5"3"B491/2"+/-0.010" SGD 43.49
IZ9466SETBlack Oxide3/4"Low Carbon Steel1.625"2.25"B493/8"+/-0.010" SGD 27.28
JZ9458SETBlack Oxide1/2"Low Carbon Steel1.125"1.5"B495/16"+/-0.010" SGD 21.74
KZ9454SETBlack Oxide3/8"Low Carbon Steel7/8"1.25"B491/4"+/-0.010" SGD 35.72
CZ9530SETBlack OxideM16Steel30mm22mmB689.6mm+/-0.2mm SGD 39.69
CZ9526SETBlack OxideM12Steel24mm17mmB688mm+/-0.2mm SGD 21.74
CZ9522SETBlack OxideM8Steel17mm12mmB685.6mm+/-0.2mm SGD 13.50
CZ9520SETBlack OxideM6Steel12 mm9mmB684.2mm+/-0.2mm SGD 12.52
CZ9535SETPlainM2418-8 Stainless Steel44mm32mmB83 to B9515.2mm+/-0.2mm SGD 228.04
CZ9533SETPlainM2018-8 Stainless Steel36mm27mmB83 to B9511.7mm+/-0.2mm SGD 179.53
CZ9521SETPlainM618-8 Stainless Steel12 mm9mmB83 to B954.2mm+/-0.2mm SGD 38.02
CZ9525SETPlainM1018-8 Stainless Steel21mm15mmB83 to B956.5mm+/-0.2mm SGD 69.17
LZ9527SETPlainM1218-8 Stainless Steel24mm17mmB83 to B958mm+/-0.2mm SGD 84.89
MZ9531SETPlainM1618-8 Stainless Steel30mm22mmB83 to B959.6mm+/-0.2mm SGD 137.17
CZ9523SETPlainM818-8 Stainless Steel17mm12mmB83 to B955.6mm+/-0.2mm SGD 54.52
GRAINGER -

Stainless Steel Spherical Washers

StyleModelOutside Dia.RadiusThicknessPrice (inc. GST)
AZ9458SETSS1 1/8"1 1/2"5/16" SGD 62.86
BZ9470SETSS1 3/4"2 1/2"3/8" SGD 62.48
CZ9462SETSS1 3/8"1 3/4"5/16" SGD 73.00
DZ9466SETSS1 5/8"2 1/4"3/8" SGD 104.32
EZ9484SETSS2 1/2"3 in1/2" SGD 173.46
FZ9478SETSS2 1/4"3 in1/2" SGD 139.51
GZ9488SETSS2 7/8"3 in1/2" SGD 227.34
HZ9474SETSS2 in2 3/4"1/2" SGD 91.58
IZ9450SETSS5/8"3/4"3/16" SGD 36.27
JZ9454SETSS7/8"1 1/4"1/4" SGD 46.52

Spherical Washers

Spherical washers are designed for creating a parallel plane between the bolt head and the face of the nut. Raptor Supplies offers spherical washers from Grainger. They are also known as levelling washers and are ideal for die & fixturing applications.

Features

  • The spherical design allows these washers to automatically adjust and compensate for the angular deviation between planes.
  • They minimise bolt fatigue from bending bolts.
  • These washers provide uniformly distributed bolt tension.
  • They are surface treated for protection against harsh & humid environments.
  • These washers feature improved bolt stretch owing to the increased clamping length.
  • They are offered in thicknesses ranging from 4.2 mm to 0.5 inches, at a maximum tolerance rating of +/-0.01 inches.

Frequently Asked Questions

How much angular deviation can spherical washers compensate?

All-spherical, two-piece washers automatically adjust under compression for compensating angular deviations up to 4 degrees.

What is the significance of male and female components in a spherical washer?

When the male and female components nest, they swivel slightly to compensate for uneven surfaces & tolerance variations.

What is the advantage of compensating angular deviations?

Compensation of angular deviations creates a parallel plane between the inner face of the nut and the inner face of the bolt head. This allows uniform distribution of load over the complete inner contact surface area.

What is the nature of tolerance of the concave and convex components of these spherical washers?

The concave component has a positive tolerance while the convex part has a negative tolerance.

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