Download the full catalog - Schaff Piano Supply Co.
Download the full catalog - Schaff Piano Supply Co.
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PIANO RELATED DECIMAL EQUIVALENTS<br />
Tuning Pins<br />
Size Decimal<br />
1/0 .276<br />
2/0 .282<br />
3/0 .286<br />
4/0 .291<br />
5/0 .296<br />
6/0 .301<br />
7/0 .307<br />
Hammer Shank Drills<br />
Size Decimal<br />
3/16 .1875<br />
13/64 .2031<br />
#5 .2055<br />
#3 .2130<br />
7/32 .2188<br />
#2 .2210<br />
#1 .2280<br />
Tuning Pin Drills<br />
Size Decimal<br />
E .250<br />
F .257<br />
G .261<br />
H .266<br />
I .272<br />
J .277<br />
K .281<br />
7.25MM .286<br />
<strong>Piano</strong> Wire<br />
Size Decimal<br />
12 .029<br />
12 1/2 .030<br />
13 .031<br />
13 1/2 .032<br />
14 .033<br />
14 1/2 .034<br />
15 .035<br />
15 1/2 .036<br />
16 .037<br />
16 1/2 .038<br />
17 .039<br />
17 1/2 .040<br />
18 .041<br />
18 1/2 .042<br />
19 .043<br />
19 1/2 .044<br />
20 .045<br />
20 1/2 .046<br />
21 .047<br />
21 1/2 .048<br />
22 .049<br />
WOOD SCREW DIMENSIONS<br />
Screw<br />
Size<br />
Catalog Page #95<br />
Catalog Page #49<br />
Catalog Page #62<br />
Maximum<br />
Head<br />
Diameter<br />
Decimal<br />
Catalog Page #94<br />
Shank Diameter<br />
Nearest Fractional<br />
Mesurement<br />
Center Pins<br />
Size Decimal<br />
18 .046<br />
18 1/2 .047<br />
19 .048<br />
19 1/2 .049<br />
20 .050<br />
20 1/2 .051<br />
21 .052<br />
21 1/2 .053<br />
22 .054<br />
22 1/2 .055<br />
23 .056<br />
23 1/2 .057<br />
24 .058<br />
24 1/2 .062<br />
25 .063<br />
Catalog Page #98<br />
Bridge Pins<br />
Size Decimal<br />
6 .076<br />
7 .086<br />
8 .096<br />
9 .109<br />
10 .135<br />
Catalog Page #97<br />
Pilot Hole Size<br />
Hard Wood Soft Wood<br />
2 .172 .086 3/32 1/16 1/16<br />
3 .199 .099 7/64 5/64 1/16<br />
4 .225 .112 7/64 5/64 1/16<br />
5 .252 .125 1/8 3/32 5/64<br />
6 .279 .138 9/64 7/64 3/32<br />
7 .305 .151 5/32 7/64 3/32<br />
8 .332 .164 5/32 1/8 7/64<br />
9 .358 .177 11/64 9/64 1/8<br />
10 .385 .190 3/16 9/64 1/8<br />
12 .438 .216 7/32 5/32 9/64<br />
14 .491 .242 1/4 11/64 5/32<br />
16 .544 .268 17/64 3/16 11/64<br />
18 .597 .294 19/64 7/32 13/64<br />
20 .650 .320 5/16 15/64 7/32<br />
24 .756 .372 3/8 17/64 1/4<br />
185
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