Applicationt: 
Auto
Production Description:
standard headless spring screw
1.material: stainless steel,iron,carbon steel
2.surface: nickel,zinc
3.certification: ISO,DIN
Detailed Description
- Item name: provide high quality standard headless zinc spring screw
- material: stainless steel,iron,copper,carbon steel
- thread sizes:#4 to 1/4"
- size: M3 to M6 or according to customers'drawings
- surface: zinc,nickle,chrome plated
- standard: JIS,BS,GB,ISO,DIN,AISI
- brand name: YD
- origin of place: Guangdong,China(Mainland)
- packing: poly bag,carton box
- delivery time: about 10-15 day s
- payment term: L/C,T/T
- trade term: FOB shen zhen
- MOQ: 50000 pcs
- supply ability: over 30000000 pcs per month
spring screw:
Stisfies many functional and cosmetic vequirements ;Large,slotted head for tool or finger
operation;Low-profile design;Thread sizes #4 to 1/4" and M3 to M6.
Materials and Finishes
RETAINER:
TYPE HZPF30/HZPF31/HZPF32:Carbon Steel:Bright Nickel or Black Nitride.
TYPE HZPFS30/HZPFS31/HZPFS32:300Series Stainless Steel:Passivation.
SCREW:
TYPE HZPF30/HZPF31/HZPF32:Carbon Steel ;Bright Nickel or Black Nitride.
TYPE HZPFS30/HZPFS31/HZPFS32:300Series Stainless Steel:Passivation.
SPRING:
TYPE HZPF30/HZPF31/HZPF32:300Series Stainless Steel:Passivation.
TYPE HZPFS30/HZPFS31/HZPFS32:300Series Stainless Steel:Passivation.
For Use in Hardness:
TYPE HZPF30/HZPF31/HZPF32:HV110 or less
TYPE HZPFS30/HZPFS31/HZPFS32:HV130 or less