R515 Bolt Spring Plunger

R515 Bolt Spring Plunger

  • Item Type: Spring Plunger
  • Material: Stainless steel/Steel
  • Finish: Polish/Black oxide
  • Tolerance: +/-0.01mm ~ +/-0.001mm or as per client’s needs
  • Surface Roughness: Ra 0.1~3.2 or as per client’s needs
  • MOQ: No MOQ, Your small order is also acceptable
  • Additional Service: Assembly, Logo engraving, Special package

Your Best Spring Plunger Supplier In China

Are you looking for spring plungers? You’ve come to the right place!

Roche industries is a leading spring plungers manufacturer and supplier & wholesaler in China. Our spring plungers are used in a wide variety of applications for work holding, clamping, or indexing. They can be used as thrust pins or ejector pins. Also known as ball catches or ball plungers, they are common in machine building, tooling, automotive, and even consumer products.

Roche industries supply a wide range of spring plungers to suit customer’s specific requirements. Spring plungers in many different types and sizes can be found in the roche industries range.

Roche industries company is professional indexing plunger manufacturers in China. We keep strict control of the whole product. Roche engineer team will be here to help you with any spring plungers questions. Through our 12 hours rapid response services from our 24/7 sales and tech support team, and excellent after-sales service, we will be your expert spring plunger design partner in China. Welcome to send us your inquiry now as below button.

Item M S d e L B light spring load (N) heavy spring load(N) over spring load (N)
non-overload Overload min max min max min max
M3 1.5 1.1 15 15 15 0.9 0.4 1.3 0.8 2.94 1.1 3.42
3 15 15 20 0. 2 1.3 0.6 2.93 0.8 3.41
M4 2 1.6 15 15 24 1.3 0. 9 2 2 8.8 6.1 13.8
4 24 24 24 0. 6 2.1 1.9 8.75 5.8 13. 6
R515-SS M5 3 2.1 20 20 27 1.5 1.4 9.7 2.7 16.3 6.8 22
R515-SL 5 27 27 39 1.1 10.3 1 17.1 5.7 21.5
R515-SH M6 3 2.5 25 25 30 2 6 9.8 8 26.4 15.8 35.6
R515-SX 5 30 30 36 3.4 9. 86 4.4 26.6 12.9 34.4
R515-PS M8 3 3.2 25 25 27 2.5 6 9.9 14.7 27 21.9 36.3
R515-PL 5 27 27 35 4 9. 83 6.7 26.6 14.7 34.5
R515-PH M10 5 3.9 30 30 35 3 5.7 14.7 8.2 45.7 24.5 58.6
R515-PX 10 30 43 53 4.4 14.7 6.2 45.1 19.8 58.7
M12 5 5.6 30 30 43 4 5.8 14.7 18.2 49 34.9 63.6
10 35 43 58 5 14.7 8.2 49.1 25.5 63.6
15 35 51 78 6.9 14.7 7.5 48.9 20.1 63.7
M16 10 8.1 35 57 60 5 9.2 34.2 18.9 685 38.7 88.4
15 35 57 70 8.6 34.4 14.4 68.6 33.9 88.1
20 35 65 90 7.1 34.4 4.2 68.6 25.4 88.1




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