Section C

Arched Rectangular Pushnuts Écrous capuchons rectangulaires arqués

Inch Pouce

Spring Steel Material, with protective finish Tinnerman ®

Arched Rectangular/round types

*Recommended diameter tolerance of stud for PH and PZ fasteners is ± .005"; for PA fasteners, +.002" and -.003". Surface hardness of stud must not exceed Rockwell 30T-78. Nickel-chrome plating on studs for PH fasteners must not exceed .001". Nickel-chrome plating or other hard finishes not recommended on steel studs for PA fasteners. Arched types provide spring tension or “take up” to compensate for unavoidable slack. Round styles require minimum space. These styles develop optimum clamping strength only when the body arch is substantially flattened against the work. Therefore, the bearing surface must be hard enough for the fastener edge to slide on, strong enough to resist breaking, and rigid enough not to yield. See page C100 for Tinnerman Tools Other sizes available contact our Sales Desk

C

C

Style PA

Style PH

Style PV

Style PZ

PKG QTY. 100

STYLE PH

DIMENSIONS

To Fit

PERFORMANCE

Smooth Round

In Pounds

Steel Thick. (Inch)

Width Length

Stud

Minumum

W L

H Wgt.

Diameter

SPAENAUR Push-On Seat.

Holding

(Inch) (Inch) (Inch) Lbs./M (Inch)*

Force Force Strength

No.

.015 .375 .672 .116 1.0 1/8 (.125) .013 .375 .625 .107 0.8 3/16 (.188)

45 20

70 50

130 170

177-077 177-078 ▲

▲ STYLE PZ

STYLE PA

DIMENSIONS

PERFORMANCE In Pounds

To Fit

Total

Washer Dia.

Smooth Round

Steel Height Inside Outside

Stud

Minumum

SPAENAUR Push On Seat.

Holding

Design Thick.

H F

D Wgt.

Diameter

No.

(Inch) (Inch) (Inch) (Inch) Lbs./M (Inch)*

Force Force Strength

No.

1 .009 .073 .228 3/8 0.3 1/8 (.125) 177-H12-1W 15

15 130 25 350 50 200 60 400

1 .013 .078 .228 3/8 0.4 1/8 (.125) 2 .010 .087 .320 7/16 0.4 3/16 (.188) 2 .012 .095 .388 17/32 0.7 1/4 (.250) 2 .017 .103 .388 17/32 1.0 1/4 (.250) 2 .013 .058 .320 7/16 0.5 5/32 (.156) 2 .017 .061 .546 3/4 1.7 3/8 (.375) 2 .021 .114 .456 5/8 1.5 5/16 (.312)

26 10 25

177-067 177-068 177-070 177-071 177-079 177-073 177-084

Design 1

30 115 600

♦ ♦

25

— 180

60 120 900 55 110 700

CATALOG 14 CATALOG 14.11

Design 2

♦

Flat Round Type

STYLE PV

ZINC PLATED

— .015 .083 .750 15/16 2.6 1/4 (.250)

14

— 100

177-081

C101 26 APR 2023

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