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Phillips Ss304 410 316 Machine Double Washer Sems Screw Lock
Washers Available
1. Description:
Sems screws are machine screws that can have one or more flat or
lock washer under the head already assembled. Phillips pan head
machine screws are often used with nuts as well as driven into
tapped holes. In practice, they tend to be mostly available in
smaller sizes and the smaller sizes are referred to as screws or
less ambiguously as machine screws, although some kinds of machine
screw can be referred to as stove bolts.
2. Specifications:
double washer sems pan head machine screws | |
Material: | . Stainless Steel: SS201, SS202, SS304, SS316, SS410 |
. Steel:C45(K1045), C46(K1046),C21; | |
. Brass:C36000(C26800),C37700 ( HPb59), C38500( HPb58) C27200CuZn37), C28000 (CuZn41); | |
. Bronze: C51000, C52100, C54401, etc; | |
. Iron: 1213, 12L14,1216; | |
. Aluminum: Al6061, Al6064 etc; | |
. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1046; | |
. Alloy steel: SCM435,10B22. | |
Specification & gauge: | M2-M10. |
Surface Finishing: | Zinc,Ni-plated,Passivated,Chromate, Polish,Electro Painting,Black,Plain,Chrome plated, H. D. G. |
Heat Treatment: | Tempering,Hardening,Spheroidizing,Stress Relieving. |
Standard: | ISO,GB(China),DIN,JIS,ANSI,BSW. |
Manufacture Process: | Heading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipp |
Packing | bulk packing, small box packing, plastic bag + carton+pallet |
Lead time: | 10-15 working days as usual,It will based on the detailed order quantity. |
3. Applications:
Sems screws are most frequently used in the automobile industry,
electronic components and products, consumer appliances, and
industrial machinery. At House of Metrics, we can make sems screws
available in a variety of head styles and drive. Both single and
multiple washer combination styles are available. Square Cone,
Reverse Stamped Square Cone and Crest Cup washer sems are
available. Many items from stock or with expedited production lead
time.
.
4. Drawing Technical Data:
Norminal Sizes | W | H1 | G | F | T | R | M | Philips Driver Size | ||||||
Head Dia | Height of Head | Recess Depth | Flat washer Dia | Flat washer Thickness | Split lock washer Dia | Split Lock washer material thickness | ||||||||
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Ref | ||
4 | 0.219 | 0.204 | 0.08 | 0.07 | 0.071 | 0.053 | 0.382 | 0.369 | 0.045 | 0.036 | 0.208 | 0.194 | 0.031 | 1 |
6 | 0.270 | 0.255 | 0.097 | 0.086 | 0.08 | 0.055 | 0.445 | 0.432 | 0.045 | 0.036 | 0.261 | 0.247 | 0.034 | 2 |
8 | 0.321 | 0.305 | 0.115 | 0.104 | 0.097 | 0.071 | 0.507 | 0.494 | 0.045 | 0.036 | 0.319 | 0.304 | 0.031 | 2 |
10 | 0.373 | 0.356 | 0.133 | 0.121 | 0.113 | 0.089 | 0.569 | 0.556 | 0.045 | 0.036 | 0.373 | 0.358 | 0.047 | 2 |
5. More pictures:
PAN HEAD PHILIPS DRIVE SEMS SCREWS