pin knot

pin knot

[′pin ‚nät]
(materials)
A small knot with a diameter of 0.5 inch (1.3 centimeters) or less occurring in a wood board.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

pin knot

1. (US) A knot in wood that is no larger than ½ in. (1.27 cm) in diameter.
2. (Brit.) A knot in wood less than ½ in. (0.64 cm) in diameter.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Defect/Board # 1 #2 #3 #4 #5 #6 Mineral streak x Fleck x Coloration x x x Sound knot Pin knot x Black knot Bark pocket Curl White speck x Decay Blue stain x Worm hole x x Cluster of worm holes x Wane x x Split x Shake Through shake x Hit and miss x Mechanical burn x Defect/Board #7 #8 #9 #10 #11 Mineral streak x Fleck x x x x Coloration Sound knot x Pin knot Black knot x Bark pocket x x Curl x x White speck Decay x Blue stain Worm hole x Cluster of worm holes Wane x Split x x Shake x Through shake Hit and miss Mechanical burn Table 3.--Comparison of system characteristics.
The figure was just about as even on both sides, without any pin knots or irregularities, and the finish was satin, smooth and even.
Nearly all veneers are subject to some minor problems, such as: pin knots, gum knots, cross bars (or deviation in the grain), bark pockets, or worm tracks.
"It also is a great wood for some of our more casual/rustic collections and the natural defects such as pitch pockets and pin knots are not too overwhelming--just enough defect that the lumber is still stable," he added.
Least desirable features with our clients are pin knots and contrast with growth rings, although for some markets and uses, those 'defects' are qualities that are preferred."
replicas of Babe Ruth bats ubiquitous with pin knots
A fourth school attributes the name to the small pin knots left in the lumber from the tree having numerous small branches.
"Babe Ruth liked his bats with pin knots. Willie Keeler used the smallest bat of all time--30 inches long.
Sure, you will find a few pin knots, but the grain runs true.
It should be noted that we did not count pin knots smaller than 8 mm in diameter.
"It is a cleaner wood than sapele--it doesn't have the pin knots that sapele can have.
The timber has medium density, bending and crushing strengths; very low stiffness and resistance to shock; moderate steam-bending qualities (it cannot be bent it pin knots are present); and is easy to glue and finish.