Halifax Rack and Screw is a world leader in the manufacture and supply of high quality precision engineered gear rack, pinions, lead screws and nuts.
More than 60 years’ experience machining quality products.
Gear rack manufactured with tip relief and “Stub Tooth or Semi Topped” tooth profiles for smoother and quieter running.
Spur & helical tooth forms up to 45 degree helix and 14½, 20 and 25 degree pressure angles.
Quick delivery worldwide on many parts.
Volume and prototype quantities to meet the customers needs.
Large machining capacity allows for manufacture of longer gear racks and screws.
Parts warehoused in the USA for shorter deliveries.
I. Harkavy, and M. Hartley. Peer Review, 10 (2):
13-17(2008)M3: Article; Accession Number: 34105644; Harkavy, Ira 1 Hartley, Matthew 2; Affiliation: 1: Associate Vice President and Director, Netter Center for Community Partnerships, University of Pennsylvania 2: Associate Professor, Graduate School of Education, University of Pennsylvania; Source Info: Spring/Summer2008, Vol. 10 Issue 2/3, p13; Subject Term: EDUCATION, Higher; Subject Term: DEMOCRACY; Subject Term: POLITICAL participation; Subject Term: SOCIAL participation; Subject Term: DEMOCRACY & education; Subject Term: POLITICAL aspects; Subject Term: UNITED States; Subject Term: SOCIAL aspects; Subject Term: FRANKLIN, Benjamin, 1706-1790; Subject Term: UNIVERSITY of Pennsylvania; Subject Term: UNITED States; Company/Entity: UNIVERSITY of Pennsylvania; People: FRANKLIN, Benjamin, 1706-1790; People: GUTMANN, Amy; Number of Pages: 5p; Illustrations: 3 color; Document Type: Article.
I. Harkavy. New Directions for Youth Development, 2005 (107):
35-43(2005)M3: Article; Accession Number: 18581371; Harkavy, Ira 1,2; Affiliation: 1: Associate vice president, The University of Pennsylvania 2: Director, Center for Community Partnerships; Source Info: Fall2005, Vol. 2005 Issue 107, p35; Subject Term: LEADERSHIP; Subject Term: COMMUNITY schools; Subject Term: SCHOOL-linked human services; Subject Term: COMMUNITY & school; Subject Term: UNIVERSITY of Pennsylvania; Subject Term: PENNSYLVANIA; Company/Entity: UNIVERSITY of Pennsylvania; Number of Pages: 9p; Illustrations: 1 graph; Document Type: Article.
I. Harkavy. Conference Papers -- American Political Science Association, (2005 Annual Meeting, Washington DC 2005)M3: Article; Accession Number: 26625310; Harkavy, Ira 1; Affiliation: 1: University of Pennsylvania; Source Info: 2005 Annual Meeting, Washington DC, p1; Subject Term: EDUCATION; Subject Term: UNIVERSITIES & colleges; Subject Term: EDUCATION, Humanistic; Subject Term: STATE universities & colleges; Subject Term: COMMUNITY colleges; Subject Term: UNIVERSITY of Pennsylvania; Subject Term: UNITED States; Author-Supplied Keyword: citizenship; Author-Supplied Keyword: education; Author-Supplied Keyword: Marx..PAT.-Conference Proceeding; Author-Supplied Keyword: university; Company/Entity: UNIVERSITY of Pennsylvania; NAICS/Industry Codes: 611210 Junior Colleges; NAICS/Industry Codes: 611699 All Other Miscellaneous Schools and Instruction; NAICS/Industry Codes: 611710 Educational Support Services; NAICS/Industry Codes: 923110 Administration of Education Programs; NAICS/Industry Codes: 611310 Colleges, Universities, and Professional Schools; Number of Pages: 34p; Document Type: Article.
B. Shearer, and S. Nagy. Journal of the Medical Library Association : JMLA, 91 (3):
292-302(July 2003)LR: 20041117; PUBM: Print; JID: 101132728; 2002/11/01 received; 2003/02/01 accepted; ppublish.