CARPENTRY TOOLS 05

CARPENTRY TOOLS 05

SHELL BIT

COUNTER SINK BIT

DRIVING NAIL AND PULLING NAIL

BENCH VICE

CARPENTER'S WORK BENCH

WORKING HAMMER

REAMER BIT

MALLET

CLAW HAMMER

EXPANSION BIT

CENTRE BIT

BENCH HOLD FAST

SACH CRAMP

HAND SCREW

G. CRAMP

AND ITS USES

BENCH HOOK

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SCRIBING BLOCKS

TYPES OF SCRIBING BLOCKS SIMPLE SCRIBING BLOCK UNIVERSAL SCRIBING BLOCK POINT SCRIBER

CARPENTRY TOOLS 06 DOVETAIL HALVING JOINT CORNER HALVING JOINT GROOVE AND TONGUE VERTICAL PARING CHISELLING HORIZONTAL PARING SURFACE PLANING SAWING RATCHET SCREW DRIVER CABINET SCREW DRIVER USES OF OIL STONE SLIP PINCER AND ITS USE FLAT FILE RASP FILE

Hexagonal Bolts & Nut, Square Nut with proportions and its line diagrams.

HEXAGONAL BOLTS AND NUT PROPORTIONS FOR HEXAGONAL BOLTS From Design Data Book Assuming Diameter (d) = 24 mm Size across flat (S) = 1.25d+6 mm Size across corner (e) = 1.155×S Height of the nut (h) = 0.8 d to d Angle =30° The length of threaded part Height (h) = 0.75 d to 0.8 d length (l) = 2d+5 mm, for bolt up to and including. length (l) = 2d+10mm, for bolts length above 80 mm and up to 200 mm. length (l) = 2d+20 mm, for lengths above 200 mm. V - THREAD WITH FLAT CREST AND ROOT Hexagonal bolt thread part (v- thread with flat crest and root) Pitch (P) = 3 mm Height (H) = 3 mm PROPORTIONS FOR HEXAGONAL NUT Assuming Diameter (d) = 24 mm Size across flat (S) = 1.25d+6 mm Size across corner (e) = 1.155×S Height of the nut (h) = 0.8 d to d Angle =30° PROPORTIONS FOR SQUARE NUT Size across the flat (s) = 1.5 d +3 mm Size across t...

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