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HEAD RECESS

PHILLIPS

6-LOBES

POZI

SLOT

PHILLIPS+SLOT

POZI+SLOT

SQUARE

PHILLIPS+SQUARE

SQUARE+SLOT

SCREW HEAD TYPES

PAN

ROUND

ROUND WASHER

TRUSS

FLANGE(BS4174)

FLAT

FLAT UNDERCUT

DOUBLE FLAT

FILLISTER

OVAL

OVAL UNDERCUT

HEX WASHER

IND. HEX

HEX FLANGE

WAFER

PAN FRAMING

THIN WAFER

THIN WAFER

BINDING

CHEESE

MODIFIED TRUSS

BUTTON

BUGLE

DOUBLE BUGLE

THREAD

TYPE AB

TYPE B

PE BP

TYPE BF

TYPE BT(TYPE 25)

TYPE C

TYPE D

TYPE F

TYPE T (TYPE 23)

TYPE A

TYPE U

PARTICLE BOARD THREAD

UMBRELLA

HI-LOW

COARSE

TWIN FAST

FINE THREAD

PLASTIC THREAD

CHIPBOARD THREAD

POINTS

DRILL POINT

Z POINT

REDUCED DRILL POINT

DRILL POINT WINGTEK

CUP POINT

DOG POINT

DRILLING NAIL POINT

UMBRELLA THREAD NAIL POINT

SPOON POINT

SCREW UNDER HEAD STYLES
1.LOCKING SERRATIONS


2.TORQUE SERRATIONS


3.HORN MOON




4.NIBS


6.DOUBLE LOCKING SERRATIONS

5.SPECIAL SERRATIONS


7.DOUBLE TORQUE SERRTIONS



佑春企業股份有限公司
YUO CHUN ENTERPRISE CO., LTD.
OFFICE
No.922, Fuxing Rd., Luzhu Dist., Kaohsiung City 821, Taiwan
FACTORY
No.922, Fuxing Rd., Luzhu Dist., Kaohsiung City 821, Taiwan
TEL
+886-7-696 8088
FAX
+886-7-697 3963 ; +886-7-607 4839
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