• KJF KSP Sealing Plug (Expander)
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KJF KSP Sealing Plug (Expander)

KJF KSP Sealing Plug (Expander)

Ball-expander sealing plug that seals unused drilled holes in hydraulic manifolds and fixtures by driving a hardened ball into a grooved steel sleeve.

Key features

  • Reduces cost by cutting machining processes and time
  • 100% leakage prevention
  • Sleeve: surface-treated, zinc-plated steel (no hexavalent chromium); ball: heat-treated bearing steel
  • Punch tools are available for each plug size
  • Hole tolerance D +0.1/-0, surface roughness 8S-40S; hole spacing at least the plug diameter

Specifications

Rated operating pressure 280-450 kgf/cm²
Max. operating pressure 900-1,400 kgf/cm²
Sizes 3-14 mm
KSP-300 Plug diameter C: Ø3.0 mm h9 | Hole diameter D: Ø3.0 +0.1 mm | Length A: 4.6 mm | Dim B: 3.6 mm | Min hole depth E: 3.4 mm | Max bore F: Ø2.2 mm | G: 1.2 mm | H: 0.4 ±0.2 mm
KSP-400 Plug diameter C: Ø4.0 mm h9 | Hole diameter D: Ø4.0 +0.1 mm | Length A: 5.2 mm | Dim B: 4.0 mm | Min hole depth E: 3.8 mm | Max bore F: Ø3.3 mm | G: 1.5 mm | H: 0.2 ±0.2 mm
KSP-500 Plug diameter C: Ø5.0 mm h9 | Hole diameter D: Ø5.0 +0.1 mm | Length A: 7.0 mm | Dim B: 5.5 mm | Min hole depth E: 5.3 mm | Max bore F: Ø4.3 mm | G: 2.0 mm | H: 0.4 ±0.2 mm
KSP-600 Plug diameter C: Ø6.0 mm h9 | Hole diameter D: Ø6.0 +0.1 mm | Length A: 8.6 mm | Dim B: 6.5 mm | Min hole depth E: 6.3 mm | Max bore F: Ø5.3 mm | G: 2.5 mm | H: 0.4 ±0.2 mm
KSP-700 Plug diameter C: Ø7.0 mm h9 | Hole diameter D: Ø7.0 +0.1 mm | Length A: 10.1 mm | Dim B: 7.5 mm | Min hole depth E: 7.3 mm | Max bore F: Ø6.4 mm | G: 3.0 mm | H: 0.4 ±0.2 mm
KSP-800 Plug diameter C: Ø8.0 mm h9 | Hole diameter D: Ø8.0 +0.1 mm | Length A: 11.7 mm | Dim B: 8.5 mm | Min hole depth E: 8.3 mm | Max bore F: Ø7.4 mm | G: 4.0 mm | H: 0.3 ±0.2 mm
KSP-900 Plug diameter C: Ø9.0 mm h9 | Hole diameter D: Ø9.0 +0.1 mm | Length A: 13.7 mm | Dim B: 10.0 mm | Min hole depth E: 9.8 mm | Max bore F: Ø8.4 mm | G: 4.0 mm | H: 0.4 ±0.2 mm
KSP-1000 Plug diameter C: Ø10.0 mm h9 | Hole diameter D: Ø10.0 +0.1 mm | Length A: 15.2 mm | Dim B: 11.0 mm | Min hole depth E: 10.8 mm | Max bore F: Ø9.4 mm | G: 4.5 mm | H: 0.4 ±0.2 mm
KSP-1200 Plug diameter C: Ø12.0 mm h9 | Hole diameter D: Ø12.0 +0.1 mm | Length A: 18.0 mm | Dim B: 13.0 mm | Min hole depth E: 12.8 mm | Max bore F: Ø10.6 mm | G: 5.5 mm | H: 0.4 ±0.2 mm
KSP-1400 Plug diameter C: Ø14.0 mm h9 | Hole diameter D: Ø14.0 +0.1 mm | Length A: 20.4 mm | Dim B: 15.0 mm | Min hole depth E: 14.5 mm | Max bore F: Ø12.7 mm | G: 5.5 mm | H: 0.4 ±0.2 mm
Sealing PlugsKJF
10 product codes available in this family
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KJF KSP Sealing Plug (Expander)

Brand KJF·Sealing Plugs

Available part numbers (10)

KSP-300, KSP-400, KSP-500, KSP-600, KSP-700, KSP-800, KSP-900, KSP-1000, KSP-1200, KSP-1400

How to order

Send the KJF part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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KSP-300Plug diameter C: Ø3.0 mm h9 | Hole diameter D: Ø3.0 +0.1 mm | Length A: 4.6 mm | Dim B: 3.6 mm | Min hole depth E: 3.4 mm | Max bore F: Ø2.2 mm | G: 1.2 mm | H: 0.4 ±0.2 mm
KSP-400Plug diameter C: Ø4.0 mm h9 | Hole diameter D: Ø4.0 +0.1 mm | Length A: 5.2 mm | Dim B: 4.0 mm | Min hole depth E: 3.8 mm | Max bore F: Ø3.3 mm | G: 1.5 mm | H: 0.2 ±0.2 mm
KSP-500Plug diameter C: Ø5.0 mm h9 | Hole diameter D: Ø5.0 +0.1 mm | Length A: 7.0 mm | Dim B: 5.5 mm | Min hole depth E: 5.3 mm | Max bore F: Ø4.3 mm | G: 2.0 mm | H: 0.4 ±0.2 mm
KSP-600Plug diameter C: Ø6.0 mm h9 | Hole diameter D: Ø6.0 +0.1 mm | Length A: 8.6 mm | Dim B: 6.5 mm | Min hole depth E: 6.3 mm | Max bore F: Ø5.3 mm | G: 2.5 mm | H: 0.4 ±0.2 mm
KSP-700Plug diameter C: Ø7.0 mm h9 | Hole diameter D: Ø7.0 +0.1 mm | Length A: 10.1 mm | Dim B: 7.5 mm | Min hole depth E: 7.3 mm | Max bore F: Ø6.4 mm | G: 3.0 mm | H: 0.4 ±0.2 mm
KSP-800Plug diameter C: Ø8.0 mm h9 | Hole diameter D: Ø8.0 +0.1 mm | Length A: 11.7 mm | Dim B: 8.5 mm | Min hole depth E: 8.3 mm | Max bore F: Ø7.4 mm | G: 4.0 mm | H: 0.3 ±0.2 mm
KSP-900Plug diameter C: Ø9.0 mm h9 | Hole diameter D: Ø9.0 +0.1 mm | Length A: 13.7 mm | Dim B: 10.0 mm | Min hole depth E: 9.8 mm | Max bore F: Ø8.4 mm | G: 4.0 mm | H: 0.4 ±0.2 mm
KSP-1000Plug diameter C: Ø10.0 mm h9 | Hole diameter D: Ø10.0 +0.1 mm | Length A: 15.2 mm | Dim B: 11.0 mm | Min hole depth E: 10.8 mm | Max bore F: Ø9.4 mm | G: 4.5 mm | H: 0.4 ±0.2 mm
KSP-1200Plug diameter C: Ø12.0 mm h9 | Hole diameter D: Ø12.0 +0.1 mm | Length A: 18.0 mm | Dim B: 13.0 mm | Min hole depth E: 12.8 mm | Max bore F: Ø10.6 mm | G: 5.5 mm | H: 0.4 ±0.2 mm
KSP-1400Plug diameter C: Ø14.0 mm h9 | Hole diameter D: Ø14.0 +0.1 mm | Length A: 20.4 mm | Dim B: 15.0 mm | Min hole depth E: 14.5 mm | Max bore F: Ø12.7 mm | G: 5.5 mm | H: 0.4 ±0.2 mm

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