Basic Info.
Model NO.
BPJF
Name
Ball Plunger
Size
Bpjf3 4 5 6 8 10 12 16 20 24
Transport Package
Express
Specification
BPJF
Trademark
ZHENGCHEN
Origin
China
Product Description
Materials
| Type | Body | Ball | Spring | Spacer | Operating Temperature | ||||||
| Standard | No Thread Locking Compound | [ M ]Material | [ H ]Hardness | [ S ]Surface Treatment | [ M ]Material | [ H ]Hardness | [ M ]Material | [ M ]Material | |||
| Metal Ball | Ultra Light Load | BPY | BPY-N | 4137 Alloy Steel | 29~35HRC | Black Oxide | 52100 Bearing Steel | 55HRC~ | SWP-B | 304 Stainless Steel | -30~80°C |
| Light Load | BPJF | BPJ-N | |||||||||
| Heavy Load | BSJF | BSJ-N | 304 Stainless Steel | - | - | ||||||
| Extra Heavy Load | BPW | BPW-N | 4137 Alloy Steel | 29~35HRC | Nickel Plating | ||||||
| Plastic Ball | Ultra Light Load | NBPS | - | 1045 Carbon Steel | 29~35HRC | Black Oxide | Polyacetal | - | SWP-B | 304 Stainless Steel | -30~80°C |
| Light Load | NBPJ | Brass | |||||||||
| Heavy Load | NBSJ | ||||||||||
| Extra Heavy Load | NBPW | ||||||||||
Specifications
| Part Number |
| BPQ8 PACK-BPU8 BPW-N12 |
Standard
[ ! ]M2, M3 and M4 have no slits for a wrench on the tip. It can be installed only by using a hex socket. [ ! ]Min. load is the initial load, and max. load is the one when the tip is fully compressed.
kgf=Nx0.101972
| Part Number | Metal Ball | Plastic Ball | L | ℓ | B | Ultra Light Load | Light Load | Heavy Load | Extra Heavy Load | ||||||||
| Type | M (Coarse) | d | S | d | S | Load (N) | Load (N) | Load (N) | Load (N) | ||||||||
| min. | max. | min. | max. | min. | max. | min. | max. | ||||||||||
| (Metal Ball) BPY (*only) BPJF BSJF BPW (*only) | (Plastic Ball) NBPS (*only) NBPJ (*only) NBSJ (*only) NBPW (*only) | 2 | 1 | 0.2 | - | - | 5 | 1 | 0.9 | - | - | 0.7 | 1.4 | 1.2 | 2 | - | - |
| * 3 | 1.5 | 0.5 | - | - | 7 | 1 | 1.5 | 0.3 | 0.64 | 1 | 2 | 1.5 | 2.9 | 2.2 | 5 | ||
| ** 4 | 2.5 | 0.8 | 2.4 | 0.8 | 9 | 1.5 | 2 | 0.6 | 1.6 | 2 | 4.9 | 3.9 | 9.8 | 2.5 | 12.5 | ||
| ** 5 | 3 | 3.2 | 12 | 2 | 2.5 | 1 | 3.12 | 2.9 | 9.8 | 4.9 | 19.6 | 11.2 | 24.1 | ||||
| ** 6 | 3 | 3.2 | 13 | 2.5 | 3 | 1.6 | 4.85 | 4.9 | 14.7 | 9.8 | 29.4 | 17.7 | 33.4 | ||||
| ** 8 | 4 | 1 | 4 | 1.0 | 15 | 2.5 | 4 | 2.4 | 6.36 | 6.9 | 19.6 | 12.7 | 39.2 | 21.4 | 45.3 | ||
| **10 | 5 | 1.2 | 4.8 | 1.2 | 16 | 3 | 5 | 3 | 8.1 | 8.8 | 24.5 | 18.6 | 49 | 23.5 | 58.7 | ||
| **12 | 7.1 | 1.8 | 7.1 | 1.8 | 20 | 3 | 6 | 3.5 | 9.68 | 9.8 | 29.4 | 19.6 | 58.8 | 24.1 | 62.3 | ||
| **16 | 9.5 | 2.5 | 9.5 | 2.5 | 25 | 3 | 8 | 5.7 | 15.8 | 15.7 | 49 | 29.4 | 98 | 43.6 | 116 | ||
kgf=Nx0.101972
W/o Thread-locking Adhesive
[ ! ]Min. load is the initial load, and max. load is the one when the tip is fully compresse
| Part Number | d | S | L | ℓ | B | Ultra Light Load | Light Load | Heavy Load | Extra Heavy Load | |||||
| Type | M (Coarse) | Load (N) | Load (N) | Load (N) | Load (N) | |||||||||
| min. | max. | min. | max. | min. | max. | min. | max. | |||||||
| (Metal Ball) BPY-N BPJ-N BSJ-N BPW-N | 5 | 3 | 0.8 | 12 | 2 | 2.5 | 1 | 3.12 | 2.9 | 9.8 | 4.9 | 19.6 | 11.2 | 24.1 |
| 6 | 3 | 13 | 2.5 | 3 | 1.6 | 4.85 | 4.9 | 14.7 | 9.8 | 29.4 | 17.7 | 33.4 | ||
| 8 | 4 | 1 | 15 | 2.5 | 4 | 2.4 | 6.36 | 6.9 | 19.6 | 12.7 | 39.2 | 21.4 | 45.3 | |
| 10 | 5 | 1.2 | 16 | 3 | 5 | 3 | 8.1 | 8.8 | 24.5 | 18.6 | 49 | 23.5 | 58.7 | |
| 12 | 7 | 1.8 | 20 | 3 | 6 | 3.5 | 9.68 | 9.8 | 29.4 | 19.6 | 58.8 | 24.1 | 62.3 | |
| 16 | 9.5 | 2.5 | 25 | 3 | 8 | 5.7 | 15.8 | 15.7 | 49 | 29.4 | 98 | 43.6 | 116 | |
