A strong, medium to heavy weight 2x1 or 3x1 warp faced twill usually of cotton. It is similar to denim but drill is usually piece dyed.
Cotton twill. Left-hand twill. It has closer, flatter wales that ganardine. Medium weight and course yarns are used. Also made in some other weights. Some left in the gray but can be bleached or dyed. When dyed a khaki color, drill is also called 'khaki'.
A warp-faced piece-dyed twill fabric that has a stout texture and a higher number of threads per centimetre in the warp than in the weft.
Some drills are made with five-end satin weave and it is recommended that these be called satin drills.
Drill is a strong, durable cotton fabric with a strong bias (diagonal) in the weave. It can be used unbleached, although it is more often bleached or dyed.
A durable fabric of medium weight Usually, three-harness warp-face left-hand twills made of carded sheeting yarns, Comes in various weights and threads counts. When dyed, known as khaki, ticking, Silesia, herringbones. Warp goes over two filling yarns, then under one.