| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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48 pcs
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48 pcs | On Request | 1 | On Request | On Request | 14+ | On Request | On Request |
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This KFB3-440-6 standoff from Captive Fastener Corporation is part of the KFB3 series and features a broach/flare mounting type. Constructed from brass, it has a #4-40 thread specification (2B, ASME B1.1).
The standoff is designed for use in sheet materials with a hardness of HRB 65 / HB 116 or less, specifically for PC boards. The recommended sheet thickness for installation ranges from 0.050 to 0.065 inches.
Key mechanical dimensions include a shank maximum of 0.09 inches, a B dimension of 0.122 inches, and an E dimension of 0.219 inches. The minimum thread length is 0.187 inches, and the hex hole size required in the sheet is 0.166 inches.
The standard finish is Annealed, ASTM B545, Class B with Clear Preservative Coating, Electro-Plated Tin. Installation performance data indicates a typical torque-out of 18 in. lbs. and a pushout force of 140 lbs. for a 0.060 inch FR-4 panel.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The thread size is #4-40 (0.112-40) with a 2B specification per ASME B1.1.
It is made of brass.
It has an annealed, electro-plated tin finish per ASTM B545, Class B with a clear preservative coating.
The mounting type is broach/flare.
Typical pushout strength is 140 lbs. on a 0.060 in. FR-4 panel.
It is designed for sheet thickness of 0.050 to 0.065 inches.
Typical torque-out strength is 18 in. lbs. on a 0.060 in. FR-4 panel.