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Product Details

QI BALL JOINT

SAE J 490 Style 1 – Inch sizes

For a quotation, please contact us.

Material

Body, shield and ball stud Low carbon steel, tensile strength 415-435N/mm2, 60,000-63,000psi. Body and ball stud are case hardened.
Spring 302S26 stainless steel. Equivalent AISI 302.

Protective Finish

Body, shield and ball stud Zinc plated and yellow passivated; body and ball stud de-embrittled. The assembly is lubricated.

Details

  • SAE J490 Style 1 – detachable ball joints.
  • The spring loaded outer shield allows both rapid release and reconnection of the ball stud. Linkage assemblies can be installed or removed without disturbing pre-set centers.
  • QI Ball Joint is available without integral ball stud for assembly to a pre-positioned ball stud. The ball studs are also available separately.
  • Hexagon form of studs facilitates assembly.
  • Knurled shields, to assist grip, will be introduced to eventually become standard to all sizes.
  • Metric sizes of this range are shown in the metric section.
  • Subject to quantity, special threaded bodies and ball studs are available. Please contact us.
METRIC PRODUCT LIST – QM QUICK-RELEASE BALL JOINT
Part No Thread UNF A B C D G H J K L M Thread UNF P Q Ball Dia. Ø Weight per 100 in Lbs
QI 187 10-32 1.102 0.906 0.437 0.437 0.310 0.468 0.171 1.125 0.132 10-32 0.437 0.250 1.7
QI 250 1/4 1.187 0.969 0.500 0.512 0.370 0.500 0.194 1.312 0.375 1/4 0.562 0.311 2.5
QI 312 5/16 1.562 1.250 0.562 0.629 0.439 0.594 0.228 1.594 0.437 5/16 0.687 0.339 4.8
QI 375 3/8 1.937 1.562 1.062 0.750 0.556 0.719 0.269 1.969 0.500 3/8 0.875 0.412 7.8