Wrentham Tool can inspect and certify your penetration gages, plug gages, ring gages, and test blocks. We certify to known standards applicable for the various recess types: ANSI/ASME B.18.6.4-1981, Screw Research Assoc. and Phillips® Screw Standards.
    這些插規被使用在量測螺絲的穴型配合。許多手工具同業應用於環規比對,以便於了解環規的磨耗狀況,俾適時換購新品。可供應十字、米字、及四角孔,規格包含0號、1號、2號、3號、4號。
     
   
     
             
   
WTP distributor:
FASCON Corporation 豐士康有限公司
Tai Yuan Road, Sec. 2, No. 19, Taichung 404, Taiwan
(404)台中市北區太原路二段19號
TEL: (886) 4 2295 7070 FAX: (886) 4 2295 6060
Vinson Chen: vchen@fascon.com