M3 Slotted Brass Knurled Head Thumb Screws Nickel Finish Fasteners
General Description
Knurled thumb screws are made from brass material with nickel finish on surface , straight knurled head design and slotted in the centr of the head for easy operation by a slotted screwdriver . Metric machine threads from end to under head .
Knurled thumb screws are generally customized according to details of projects , but for head of screws are designed straight knurlings or star shape knruling .
Except brass material , copper , stainlesss steel , carbon steel and aluminum are optional for knurled thumb screws .
Basic Data
| | Thread D | 　M3 | |
| Head diameter A | 　5.0 | ||
| Head height B | 　10 | ||
| Thread length C | 　5 | ||
| Pitch | 　0.5 | ||
| Tolerance | 　+/-0.1 | Material | 　Brass |
| Standard | 　Custom | Finish | 　Nickel |
| Hardness | 　120 HV | | |
| Torque | 　2.5 | ||
| Slot depth | 　1.5 | ||
| Head drive | 　Slot | ||
| Slot width | 　1.0 | ||
Standard specifications for knurled screws
| D | C | A | B |
| M3 | 9 | 12 | 2.5 |
| M4 | 12 | 16 | 3.5 |
| M5 | 15 | 20 | 4 |
| M6 | 18 | 24 | 5 |
| M8 | 24 | 30 | 6 |
| M10 | 30 | 36 | 8 |
Note : dimensions for slot is confirmed per final designs and customized .
Tips for use
1 . Operated knurled screws by hand or slotted screwdriver .
2 . Brass knurled thumb screws are used to light duty .
3 . Thread specifications of object should be match to M3 .
4 . Thread gauge meets 6g request .
Packing data
| Specification | Length | PCS/Bag | Bags /Carton | Carton dimension |
| M3 | 9 | 200 | 10 | 20 X 20 X15 |
| M4 | 12 | 200 | 10 | 20 X 20 X15 |
| M5 | 15 | 150 | 10 | 20 X 20 X15 |
| M6 | 18 | 150 | 10 | 20 X 20 X15 |
| M8 | 24 | 100 | 10 | 20 X 20 X15 |
| M10 | 30 | 100 | 10 | 20 X 20 X15 |
RFQ
Q.How long I can get samples for approval before placing order ?
A. Normally one week for custom screws , and we can deliver samples within 24 hours for standard screws or stock once received your request .
Q How many days dispatch goods after placed orders ?
A Generally , one week for popular screws under 2 tons , final delivery is subject to requests on screws , packing and or other deamnds from you .
Q.What are your popular payement menthods ?
A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .
Q. What products you produce ?
A. We manufacture various hardwares like fasteners screws , nuts , bolts , pins , rivets and custom metal stamping parts and plastic injeciton molding products .
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